Home / 907,069.60-1,251,765.42-519,876.64

Finding the Fourth Proportional to 907,069.60, 1,251,765.42 and 519,876.64

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Solution

The fourth proportional to 907,069.60, 1,251,765.42 and 519,876.64 is: 717,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,069.60 : 1,251,765.42 = 519,876.64 : x
  2. Step 2: Convert to fraction form
    907,069.60/1,251,765.42 = 519,876.64/x
  3. Step 3: Cross multiply
    907,069.60x = 1,251,765.42 × 519,876.64
  4. Step 4: Simplify right side
    907,069.60x = 650,763,600,617.79
  5. Step 5: Solve for x
    x = 650,763,600,617.79/907,069.60
  6. Step 6: Final answer
    x = 717,435.13

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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.