Home / 955,470.20-1,318,509.35-519,889.37

Finding the Fourth Proportional to 955,470.20, 1,318,509.35 and 519,889.37

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Solution

The fourth proportional to 955,470.20, 1,318,509.35 and 519,889.37 is: 717,425.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,470.20 : 1,318,509.35 = 519,889.37 : x
  2. Step 2: Convert to fraction form
    955,470.20/1,318,509.35 = 519,889.37/x
  3. Step 3: Cross multiply
    955,470.20x = 1,318,509.35 × 519,889.37
  4. Step 4: Simplify right side
    955,470.20x = 685,478,992,711.16
  5. Step 5: Solve for x
    x = 685,478,992,711.16/955,470.20
  6. Step 6: Final answer
    x = 717,425.82

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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.