Home / 997,132.68-1,495,701.45-398,142.54

Finding the Fourth Proportional to 997,132.68, 1,495,701.45 and 398,142.54

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Solution

The fourth proportional to 997,132.68, 1,495,701.45 and 398,142.54 is: 597,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,132.68 : 1,495,701.45 = 398,142.54 : x
  2. Step 2: Convert to fraction form
    997,132.68/1,495,701.45 = 398,142.54/x
  3. Step 3: Cross multiply
    997,132.68x = 1,495,701.45 × 398,142.54
  4. Step 4: Simplify right side
    997,132.68x = 595,502,374,384.68
  5. Step 5: Solve for x
    x = 595,502,374,384.68/997,132.68
  6. Step 6: Final answer
    x = 597,214.78

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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.