Home / 724,120.38-999,479.85-452,024.34

Finding the Fourth Proportional to 724,120.38, 999,479.85 and 452,024.34

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Solution

The fourth proportional to 724,120.38, 999,479.85 and 452,024.34 is: 623,914.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,120.38 : 999,479.85 = 452,024.34 : x
  2. Step 2: Convert to fraction form
    724,120.38/999,479.85 = 452,024.34/x
  3. Step 3: Cross multiply
    724,120.38x = 999,479.85 × 452,024.34
  4. Step 4: Simplify right side
    724,120.38x = 451,789,219,539.55
  5. Step 5: Solve for x
    x = 451,789,219,539.55/724,120.38
  6. Step 6: Final answer
    x = 623,914.52

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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.