Home / 832,490.71-1,148,840.79-450,517.52

Finding the Fourth Proportional to 832,490.71, 1,148,840.79 and 450,517.52

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Solution

The fourth proportional to 832,490.71, 1,148,840.79 and 450,517.52 is: 621,716.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,490.71 : 1,148,840.79 = 450,517.52 : x
  2. Step 2: Convert to fraction form
    832,490.71/1,148,840.79 = 450,517.52/x
  3. Step 3: Cross multiply
    832,490.71x = 1,148,840.79 × 450,517.52
  4. Step 4: Simplify right side
    832,490.71x = 517,572,904,768.30
  5. Step 5: Solve for x
    x = 517,572,904,768.30/832,490.71
  6. Step 6: Final answer
    x = 621,716.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.