Home / 684,385.52-1,026,490.77-284,951.84

Finding the Fourth Proportional to 684,385.52, 1,026,490.77 and 284,951.84

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Solution

The fourth proportional to 684,385.52, 1,026,490.77 and 284,951.84 is: 427,391.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,385.52 : 1,026,490.77 = 284,951.84 : x
  2. Step 2: Convert to fraction form
    684,385.52/1,026,490.77 = 284,951.84/x
  3. Step 3: Cross multiply
    684,385.52x = 1,026,490.77 × 284,951.84
  4. Step 4: Simplify right side
    684,385.52x = 292,500,428,522.06
  5. Step 5: Solve for x
    x = 292,500,428,522.06/684,385.52
  6. Step 6: Final answer
    x = 427,391.32

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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.