Home / 672,200.60-1,008,276.60-272,830.10

Finding the Fourth Proportional to 672,200.60, 1,008,276.60 and 272,830.10

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Solution

The fourth proportional to 672,200.60, 1,008,276.60 and 272,830.10 is: 409,235.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,200.60 : 1,008,276.60 = 272,830.10 : x
  2. Step 2: Convert to fraction form
    672,200.60/1,008,276.60 = 272,830.10/x
  3. Step 3: Cross multiply
    672,200.60x = 1,008,276.60 × 272,830.10
  4. Step 4: Simplify right side
    672,200.60x = 275,088,205,605.66
  5. Step 5: Solve for x
    x = 275,088,205,605.66/672,200.60
  6. Step 6: Final answer
    x = 409,235.29

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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.