Home / 960,028.70-1,440,043.05-328,732.70

Finding the Fourth Proportional to 960,028.70, 1,440,043.05 and 328,732.70

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Solution

The fourth proportional to 960,028.70, 1,440,043.05 and 328,732.70 is: 493,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,028.70 : 1,440,043.05 = 328,732.70 : x
  2. Step 2: Convert to fraction form
    960,028.70/1,440,043.05 = 328,732.70/x
  3. Step 3: Cross multiply
    960,028.70x = 1,440,043.05 × 328,732.70
  4. Step 4: Simplify right side
    960,028.70x = 473,389,239,942.74
  5. Step 5: Solve for x
    x = 473,389,239,942.74/960,028.70
  6. Step 6: Final answer
    x = 493,099.05

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.