Home / 787,497.60-1,182,121.20-433,203.60

Finding the Fourth Proportional to 787,497.60, 1,182,121.20 and 433,203.60

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Solution

The fourth proportional to 787,497.60, 1,182,121.20 and 433,203.60 is: 650,286.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,497.60 : 1,182,121.20 = 433,203.60 : x
  2. Step 2: Convert to fraction form
    787,497.60/1,182,121.20 = 433,203.60/x
  3. Step 3: Cross multiply
    787,497.60x = 1,182,121.20 × 433,203.60
  4. Step 4: Simplify right side
    787,497.60x = 512,099,159,476.32
  5. Step 5: Solve for x
    x = 512,099,159,476.32/787,497.60
  6. Step 6: Final answer
    x = 650,286.63

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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.