Home / 816,732.79-1,126,925.27-477,135.43

Finding the Fourth Proportional to 816,732.79, 1,126,925.27 and 477,135.43

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Solution

The fourth proportional to 816,732.79, 1,126,925.27 and 477,135.43 is: 658,349.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,732.79 : 1,126,925.27 = 477,135.43 : x
  2. Step 2: Convert to fraction form
    816,732.79/1,126,925.27 = 477,135.43/x
  3. Step 3: Cross multiply
    816,732.79x = 1,126,925.27 × 477,135.43
  4. Step 4: Simplify right side
    816,732.79x = 537,695,970,893.64
  5. Step 5: Solve for x
    x = 537,695,970,893.64/816,732.79
  6. Step 6: Final answer
    x = 658,349.92

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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.