Home / 672,220.90-1,008,720.15-251,539.30

Finding the Fourth Proportional to 672,220.90, 1,008,720.15 and 251,539.30

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Solution

The fourth proportional to 672,220.90, 1,008,720.15 and 251,539.30 is: 377,454.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,220.90 : 1,008,720.15 = 251,539.30 : x
  2. Step 2: Convert to fraction form
    672,220.90/1,008,720.15 = 251,539.30/x
  3. Step 3: Cross multiply
    672,220.90x = 1,008,720.15 × 251,539.30
  4. Step 4: Simplify right side
    672,220.90x = 253,732,760,426.90
  5. Step 5: Solve for x
    x = 253,732,760,426.90/672,220.90
  6. Step 6: Final answer
    x = 377,454.44

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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.