Home / 787,627.12-1,181,440.68-434,884

Finding the Fourth Proportional to 787,627.12, 1,181,440.68 and 434,884

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Solution

The fourth proportional to 787,627.12, 1,181,440.68 and 434,884 is: 652,326

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,627.12 : 1,181,440.68 = 434,884 : x
  2. Step 2: Convert to fraction form
    787,627.12/1,181,440.68 = 434,884/x
  3. Step 3: Cross multiply
    787,627.12x = 1,181,440.68 × 434,884
  4. Step 4: Simplify right side
    787,627.12x = 513,789,648,681.12
  5. Step 5: Solve for x
    x = 513,789,648,681.12/787,627.12
  6. Step 6: Final answer
    x = 652,326

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Similar ratio
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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.