Home / 691,720.20-1,037,580.30-551,752.20

Finding the Fourth Proportional to 691,720.20, 1,037,580.30 and 551,752.20

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Solution

The fourth proportional to 691,720.20, 1,037,580.30 and 551,752.20 is: 827,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,720.20 : 1,037,580.30 = 551,752.20 : x
  2. Step 2: Convert to fraction form
    691,720.20/1,037,580.30 = 551,752.20/x
  3. Step 3: Cross multiply
    691,720.20x = 1,037,580.30 × 551,752.20
  4. Step 4: Simplify right side
    691,720.20x = 572,487,213,201.66
  5. Step 5: Solve for x
    x = 572,487,213,201.66/691,720.20
  6. Step 6: Final answer
    x = 827,628.30

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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.