Home / 938,889.01-1,407,979.95-339,702.04

Finding the Fourth Proportional to 938,889.01, 1,407,979.95 and 339,702.04

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Solution

The fourth proportional to 938,889.01, 1,407,979.95 and 339,702.04 is: 509,425.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,889.01 : 1,407,979.95 = 339,702.04 : x
  2. Step 2: Convert to fraction form
    938,889.01/1,407,979.95 = 339,702.04/x
  3. Step 3: Cross multiply
    938,889.01x = 1,407,979.95 × 339,702.04
  4. Step 4: Simplify right side
    938,889.01x = 478,293,661,294.10
  5. Step 5: Solve for x
    x = 478,293,661,294.10/938,889.01
  6. Step 6: Final answer
    x = 509,425.14

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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.