Home / 727,715.29-1,086,456.19-556,038.52

Finding the Fourth Proportional to 727,715.29, 1,086,456.19 and 556,038.52

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Solution

The fourth proportional to 727,715.29, 1,086,456.19 and 556,038.52 is: 830,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,715.29 : 1,086,456.19 = 556,038.52 : x
  2. Step 2: Convert to fraction form
    727,715.29/1,086,456.19 = 556,038.52/x
  3. Step 3: Cross multiply
    727,715.29x = 1,086,456.19 × 556,038.52
  4. Step 4: Simplify right side
    727,715.29x = 604,111,487,890.25
  5. Step 5: Solve for x
    x = 604,111,487,890.25/727,715.29
  6. Step 6: Final answer
    x = 830,148.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.