Home / 771,615.28-1,156,260.58-687,526.04

Finding the Fourth Proportional to 771,615.28, 1,156,260.58 and 687,526.04

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Solution

The fourth proportional to 771,615.28, 1,156,260.58 and 687,526.04 is: 1,030,253.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,615.28 : 1,156,260.58 = 687,526.04 : x
  2. Step 2: Convert to fraction form
    771,615.28/1,156,260.58 = 687,526.04/x
  3. Step 3: Cross multiply
    771,615.28x = 1,156,260.58 × 687,526.04
  4. Step 4: Simplify right side
    771,615.28x = 794,959,257,775.50
  5. Step 5: Solve for x
    x = 794,959,257,775.50/771,615.28
  6. Step 6: Final answer
    x = 1,030,253.39

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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.