Home / 752,674.08-1,129,590.27-437,352.42

Finding the Fourth Proportional to 752,674.08, 1,129,590.27 and 437,352.42

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Solution

The fourth proportional to 752,674.08, 1,129,590.27 and 437,352.42 is: 656,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,674.08 : 1,129,590.27 = 437,352.42 : x
  2. Step 2: Convert to fraction form
    752,674.08/1,129,590.27 = 437,352.42/x
  3. Step 3: Cross multiply
    752,674.08x = 1,129,590.27 × 437,352.42
  4. Step 4: Simplify right side
    752,674.08x = 494,029,038,192.95
  5. Step 5: Solve for x
    x = 494,029,038,192.95/752,674.08
  6. Step 6: Final answer
    x = 656,365.15

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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.