Home / 497,731.40-746,769.90-217,334.60

Finding the Fourth Proportional to 497,731.40, 746,769.90 and 217,334.60

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Solution

The fourth proportional to 497,731.40, 746,769.90 and 217,334.60 is: 326,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,731.40 : 746,769.90 = 217,334.60 : x
  2. Step 2: Convert to fraction form
    497,731.40/746,769.90 = 217,334.60/x
  3. Step 3: Cross multiply
    497,731.40x = 746,769.90 × 217,334.60
  4. Step 4: Simplify right side
    497,731.40x = 162,298,937,508.54
  5. Step 5: Solve for x
    x = 162,298,937,508.54/497,731.40
  6. Step 6: Final answer
    x = 326,077.35

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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.