Home / 756,004.70-1,134,007.05-437,140.10

Finding the Fourth Proportional to 756,004.70, 1,134,007.05 and 437,140.10

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Solution

The fourth proportional to 756,004.70, 1,134,007.05 and 437,140.10 is: 655,710.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,004.70 : 1,134,007.05 = 437,140.10 : x
  2. Step 2: Convert to fraction form
    756,004.70/1,134,007.05 = 437,140.10/x
  3. Step 3: Cross multiply
    756,004.70x = 1,134,007.05 × 437,140.10
  4. Step 4: Simplify right side
    756,004.70x = 495,719,955,237.71
  5. Step 5: Solve for x
    x = 495,719,955,237.71/756,004.70
  6. Step 6: Final answer
    x = 655,710.15

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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.