Home / 913,523.52-1,370,285.28-282,423.36

Finding the Fourth Proportional to 913,523.52, 1,370,285.28 and 282,423.36

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Solution

The fourth proportional to 913,523.52, 1,370,285.28 and 282,423.36 is: 423,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,523.52 : 1,370,285.28 = 282,423.36 : x
  2. Step 2: Convert to fraction form
    913,523.52/1,370,285.28 = 282,423.36/x
  3. Step 3: Cross multiply
    913,523.52x = 1,370,285.28 × 282,423.36
  4. Step 4: Simplify right side
    913,523.52x = 387,000,572,936.14
  5. Step 5: Solve for x
    x = 387,000,572,936.14/913,523.52
  6. Step 6: Final answer
    x = 423,635.04

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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.