Home / 714,470.30-985,520.52-423,876.12

Finding the Fourth Proportional to 714,470.30, 985,520.52 and 423,876.12

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Solution

The fourth proportional to 714,470.30, 985,520.52 and 423,876.12 is: 584,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,470.30 : 985,520.52 = 423,876.12 : x
  2. Step 2: Convert to fraction form
    714,470.30/985,520.52 = 423,876.12/x
  3. Step 3: Cross multiply
    714,470.30x = 985,520.52 × 423,876.12
  4. Step 4: Simplify right side
    714,470.30x = 417,738,614,197.98
  5. Step 5: Solve for x
    x = 417,738,614,197.98/714,470.30
  6. Step 6: Final answer
    x = 584,682.97

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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.