Home / 997,473.78-1,376,522.60-567,781.57

Finding the Fourth Proportional to 997,473.78, 1,376,522.60 and 567,781.57

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Solution

The fourth proportional to 997,473.78, 1,376,522.60 and 567,781.57 is: 783,543.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,473.78 : 1,376,522.60 = 567,781.57 : x
  2. Step 2: Convert to fraction form
    997,473.78/1,376,522.60 = 567,781.57/x
  3. Step 3: Cross multiply
    997,473.78x = 1,376,522.60 × 567,781.57
  4. Step 4: Simplify right side
    997,473.78x = 781,564,162,968.48
  5. Step 5: Solve for x
    x = 781,564,162,968.48/997,473.78
  6. Step 6: Final answer
    x = 783,543.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.