Home / 551,811.90-826,624.35-486,056.10

Finding the Fourth Proportional to 551,811.90, 826,624.35 and 486,056.10

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Solution

The fourth proportional to 551,811.90, 826,624.35 and 486,056.10 is: 728,120.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,811.90 : 826,624.35 = 486,056.10 : x
  2. Step 2: Convert to fraction form
    551,811.90/826,624.35 = 486,056.10/x
  3. Step 3: Cross multiply
    551,811.90x = 826,624.35 × 486,056.10
  4. Step 4: Simplify right side
    551,811.90x = 401,785,807,726.04
  5. Step 5: Solve for x
    x = 401,785,807,726.04/551,811.90
  6. Step 6: Final answer
    x = 728,120.96

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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.