Home / 876,455.20-1,313,775.60-476,250.40

Finding the Fourth Proportional to 876,455.20, 1,313,775.60 and 476,250.40

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Solution

The fourth proportional to 876,455.20, 1,313,775.60 and 476,250.40 is: 713,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,455.20 : 1,313,775.60 = 476,250.40 : x
  2. Step 2: Convert to fraction form
    876,455.20/1,313,775.60 = 476,250.40/x
  3. Step 3: Cross multiply
    876,455.20x = 1,313,775.60 × 476,250.40
  4. Step 4: Simplify right side
    876,455.20x = 625,686,155,010.24
  5. Step 5: Solve for x
    x = 625,686,155,010.24/876,455.20
  6. Step 6: Final answer
    x = 713,882.64

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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.