Home / 781,294.13-1,172,058.20-282,774.77

Finding the Fourth Proportional to 781,294.13, 1,172,058.20 and 282,774.77

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Solution

The fourth proportional to 781,294.13, 1,172,058.20 and 282,774.77 is: 424,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,294.13 : 1,172,058.20 = 282,774.77 : x
  2. Step 2: Convert to fraction form
    781,294.13/1,172,058.20 = 282,774.77/x
  3. Step 3: Cross multiply
    781,294.13x = 1,172,058.20 × 282,774.77
  4. Step 4: Simplify right side
    781,294.13x = 331,428,480,657.45
  5. Step 5: Solve for x
    x = 331,428,480,657.45/781,294.13
  6. Step 6: Final answer
    x = 424,204.50

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1.5x scale

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.