Home / 614,932.25-921,531.33-290,374.05

Finding the Fourth Proportional to 614,932.25, 921,531.33 and 290,374.05

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Solution

The fourth proportional to 614,932.25, 921,531.33 and 290,374.05 is: 435,151.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,932.25 : 921,531.33 = 290,374.05 : x
  2. Step 2: Convert to fraction form
    614,932.25/921,531.33 = 290,374.05/x
  3. Step 3: Cross multiply
    614,932.25x = 921,531.33 × 290,374.05
  4. Step 4: Simplify right side
    614,932.25x = 267,588,778,434.46
  5. Step 5: Solve for x
    x = 267,588,778,434.46/614,932.25
  6. Step 6: Final answer
    x = 435,151.64

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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.