Home / 977,122.70-1,465,613.40-303,186.80

Finding the Fourth Proportional to 977,122.70, 1,465,613.40 and 303,186.80

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Solution

The fourth proportional to 977,122.70, 1,465,613.40 and 303,186.80 is: 454,758.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,122.70 : 1,465,613.40 = 303,186.80 : x
  2. Step 2: Convert to fraction form
    977,122.70/1,465,613.40 = 303,186.80/x
  3. Step 3: Cross multiply
    977,122.70x = 1,465,613.40 × 303,186.80
  4. Step 4: Simplify right side
    977,122.70x = 444,354,636,783.12
  5. Step 5: Solve for x
    x = 444,354,636,783.12/977,122.70
  6. Step 6: Final answer
    x = 454,758.28

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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.