Home / 548,726.40-823,089.60-490,665.60

Finding the Fourth Proportional to 548,726.40, 823,089.60 and 490,665.60

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Solution

The fourth proportional to 548,726.40, 823,089.60 and 490,665.60 is: 735,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,726.40 : 823,089.60 = 490,665.60 : x
  2. Step 2: Convert to fraction form
    548,726.40/823,089.60 = 490,665.60/x
  3. Step 3: Cross multiply
    548,726.40x = 823,089.60 × 490,665.60
  4. Step 4: Simplify right side
    548,726.40x = 403,861,752,437.76
  5. Step 5: Solve for x
    x = 403,861,752,437.76/548,726.40
  6. Step 6: Final answer
    x = 735,998.40

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Similar ratio
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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.