Home / 816,849.90-1,224,691.65-461,972.70

Finding the Fourth Proportional to 816,849.90, 1,224,691.65 and 461,972.70

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Solution

The fourth proportional to 816,849.90, 1,224,691.65 and 461,972.70 is: 692,629.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,849.90 : 1,224,691.65 = 461,972.70 : x
  2. Step 2: Convert to fraction form
    816,849.90/1,224,691.65 = 461,972.70/x
  3. Step 3: Cross multiply
    816,849.90x = 1,224,691.65 × 461,972.70
  4. Step 4: Simplify right side
    816,849.90x = 565,774,108,217.96
  5. Step 5: Solve for x
    x = 565,774,108,217.96/816,849.90
  6. Step 6: Final answer
    x = 692,629.22

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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.