Home / 725,308.20-1,000,669.50-414,984.11

Finding the Fourth Proportional to 725,308.20, 1,000,669.50 and 414,984.11

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Solution

The fourth proportional to 725,308.20, 1,000,669.50 and 414,984.11 is: 572,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,308.20 : 1,000,669.50 = 414,984.11 : x
  2. Step 2: Convert to fraction form
    725,308.20/1,000,669.50 = 414,984.11/x
  3. Step 3: Cross multiply
    725,308.20x = 1,000,669.50 × 414,984.11
  4. Step 4: Simplify right side
    725,308.20x = 415,261,936,858.30
  5. Step 5: Solve for x
    x = 415,261,936,858.30/725,308.20
  6. Step 6: Final answer
    x = 572,531.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.