Home / 729,456.06-1,006,817.32-427,747.26

Finding the Fourth Proportional to 729,456.06, 1,006,817.32 and 427,747.26

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Solution

The fourth proportional to 729,456.06, 1,006,817.32 and 427,747.26 is: 590,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,456.06 : 1,006,817.32 = 427,747.26 : x
  2. Step 2: Convert to fraction form
    729,456.06/1,006,817.32 = 427,747.26/x
  3. Step 3: Cross multiply
    729,456.06x = 1,006,817.32 × 427,747.26
  4. Step 4: Simplify right side
    729,456.06x = 430,663,344,916.46
  5. Step 5: Solve for x
    x = 430,663,344,916.46/729,456.06
  6. Step 6: Final answer
    x = 590,389.70

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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.