Home / 917,048.79-1,375,376.22-575,327.61

Finding the Fourth Proportional to 917,048.79, 1,375,376.22 and 575,327.61

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Solution

The fourth proportional to 917,048.79, 1,375,376.22 and 575,327.61 is: 862,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,048.79 : 1,375,376.22 = 575,327.61 : x
  2. Step 2: Convert to fraction form
    917,048.79/1,375,376.22 = 575,327.61/x
  3. Step 3: Cross multiply
    917,048.79x = 1,375,376.22 × 575,327.61
  4. Step 4: Simplify right side
    917,048.79x = 791,291,913,503.43
  5. Step 5: Solve for x
    x = 791,291,913,503.43/917,048.79
  6. Step 6: Final answer
    x = 862,867.85

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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.