Home / 829,292.42-1,144,776.65-557,517.94

Finding the Fourth Proportional to 829,292.42, 1,144,776.65 and 557,517.94

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Solution

The fourth proportional to 829,292.42, 1,144,776.65 and 557,517.94 is: 769,612.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,292.42 : 1,144,776.65 = 557,517.94 : x
  2. Step 2: Convert to fraction form
    829,292.42/1,144,776.65 = 557,517.94/x
  3. Step 3: Cross multiply
    829,292.42x = 1,144,776.65 × 557,517.94
  4. Step 4: Simplify right side
    829,292.42x = 638,233,514,018.57
  5. Step 5: Solve for x
    x = 638,233,514,018.57/829,292.42
  6. Step 6: Final answer
    x = 769,612.14

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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.