Home / 861,552.64-1,291,526.15-292,544.68

Finding the Fourth Proportional to 861,552.64, 1,291,526.15 and 292,544.68

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Solution

The fourth proportional to 861,552.64, 1,291,526.15 and 292,544.68 is: 438,544.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,552.64 : 1,291,526.15 = 292,544.68 : x
  2. Step 2: Convert to fraction form
    861,552.64/1,291,526.15 = 292,544.68/x
  3. Step 3: Cross multiply
    861,552.64x = 1,291,526.15 × 292,544.68
  4. Step 4: Simplify right side
    861,552.64x = 377,829,101,993.46
  5. Step 5: Solve for x
    x = 377,829,101,993.46/861,552.64
  6. Step 6: Final answer
    x = 438,544.42

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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.