Home / 787,537.10-1,182,180.45-433,243.10

Finding the Fourth Proportional to 787,537.10, 1,182,180.45 and 433,243.10

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Solution

The fourth proportional to 787,537.10, 1,182,180.45 and 433,243.10 is: 650,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,537.10 : 1,182,180.45 = 433,243.10 : x
  2. Step 2: Convert to fraction form
    787,537.10/1,182,180.45 = 433,243.10/x
  3. Step 3: Cross multiply
    787,537.10x = 1,182,180.45 × 433,243.10
  4. Step 4: Simplify right side
    787,537.10x = 512,171,522,917.40
  5. Step 5: Solve for x
    x = 512,171,522,917.40/787,537.10
  6. Step 6: Final answer
    x = 650,345.90

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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.