Home / 753,688.20-1,130,532.30-332,747.40

Finding the Fourth Proportional to 753,688.20, 1,130,532.30 and 332,747.40

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Solution

The fourth proportional to 753,688.20, 1,130,532.30 and 332,747.40 is: 499,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,688.20 : 1,130,532.30 = 332,747.40 : x
  2. Step 2: Convert to fraction form
    753,688.20/1,130,532.30 = 332,747.40/x
  3. Step 3: Cross multiply
    753,688.20x = 1,130,532.30 × 332,747.40
  4. Step 4: Simplify right side
    753,688.20x = 376,181,683,441.02
  5. Step 5: Solve for x
    x = 376,181,683,441.02/753,688.20
  6. Step 6: Final answer
    x = 499,121.10

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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.