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Finding the Fourth Proportional to 662,374.28, 988,467.48 and 658,585.31

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Solution

The fourth proportional to 662,374.28, 988,467.48 and 658,585.31 is: 982,813.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,374.28 : 988,467.48 = 658,585.31 : x
  2. Step 2: Convert to fraction form
    662,374.28/988,467.48 = 658,585.31/x
  3. Step 3: Cross multiply
    662,374.28x = 988,467.48 × 658,585.31
  4. Step 4: Simplify right side
    662,374.28x = 650,990,156,798.38
  5. Step 5: Solve for x
    x = 650,990,156,798.38/662,374.28
  6. Step 6: Final answer
    x = 982,813.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.