Home / 763,068.28-1,144,338.02-383,842.44

Finding the Fourth Proportional to 763,068.28, 1,144,338.02 and 383,842.44

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Solution

The fourth proportional to 763,068.28, 1,144,338.02 and 383,842.44 is: 575,630.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,068.28 : 1,144,338.02 = 383,842.44 : x
  2. Step 2: Convert to fraction form
    763,068.28/1,144,338.02 = 383,842.44/x
  3. Step 3: Cross multiply
    763,068.28x = 1,144,338.02 × 383,842.44
  4. Step 4: Simplify right side
    763,068.28x = 439,245,497,781.57
  5. Step 5: Solve for x
    x = 439,245,497,781.57/763,068.28
  6. Step 6: Final answer
    x = 575,630.66

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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.