Home / 687,400.60-1,029,027.30-604,456.60

Finding the Fourth Proportional to 687,400.60, 1,029,027.30 and 604,456.60

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Solution

The fourth proportional to 687,400.60, 1,029,027.30 and 604,456.60 is: 904,861.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,400.60 : 1,029,027.30 = 604,456.60 : x
  2. Step 2: Convert to fraction form
    687,400.60/1,029,027.30 = 604,456.60/x
  3. Step 3: Cross multiply
    687,400.60x = 1,029,027.30 × 604,456.60
  4. Step 4: Simplify right side
    687,400.60x = 622,002,343,065.18
  5. Step 5: Solve for x
    x = 622,002,343,065.18/687,400.60
  6. Step 6: Final answer
    x = 904,861.51

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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.