Home / 787,519.10-1,182,153.45-433,225.10

Finding the Fourth Proportional to 787,519.10, 1,182,153.45 and 433,225.10

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Solution

The fourth proportional to 787,519.10, 1,182,153.45 and 433,225.10 is: 650,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,519.10 : 1,182,153.45 = 433,225.10 : x
  2. Step 2: Convert to fraction form
    787,519.10/1,182,153.45 = 433,225.10/x
  3. Step 3: Cross multiply
    787,519.10x = 1,182,153.45 × 433,225.10
  4. Step 4: Simplify right side
    787,519.10x = 512,138,546,591.60
  5. Step 5: Solve for x
    x = 512,138,546,591.60/787,519.10
  6. Step 6: Final answer
    x = 650,318.89

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Double scale
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1.5x scale

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.