Home / 729,248.47-1,006,806.41-500,182.09

Finding the Fourth Proportional to 729,248.47, 1,006,806.41 and 500,182.09

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Solution

The fourth proportional to 729,248.47, 1,006,806.41 and 500,182.09 is: 690,555.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,248.47 : 1,006,806.41 = 500,182.09 : x
  2. Step 2: Convert to fraction form
    729,248.47/1,006,806.41 = 500,182.09/x
  3. Step 3: Cross multiply
    729,248.47x = 1,006,806.41 × 500,182.09
  4. Step 4: Simplify right side
    729,248.47x = 503,586,531,236.95
  5. Step 5: Solve for x
    x = 503,586,531,236.95/729,248.47
  6. Step 6: Final answer
    x = 690,555.49

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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.