Home / 672,697.79-1,009,250.40-240,358.64

Finding the Fourth Proportional to 672,697.79, 1,009,250.40 and 240,358.64

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Solution

The fourth proportional to 672,697.79, 1,009,250.40 and 240,358.64 is: 360,610.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,697.79 : 1,009,250.40 = 240,358.64 : x
  2. Step 2: Convert to fraction form
    672,697.79/1,009,250.40 = 240,358.64/x
  3. Step 3: Cross multiply
    672,697.79x = 1,009,250.40 × 240,358.64
  4. Step 4: Simplify right side
    672,697.79x = 242,582,048,517.20
  5. Step 5: Solve for x
    x = 242,582,048,517.20/672,697.79
  6. Step 6: Final answer
    x = 360,610.74

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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.