Home / 857,254.20-1,284,248.16-532,528.44

Finding the Fourth Proportional to 857,254.20, 1,284,248.16 and 532,528.44

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Solution

The fourth proportional to 857,254.20, 1,284,248.16 and 532,528.44 is: 797,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,254.20 : 1,284,248.16 = 532,528.44 : x
  2. Step 2: Convert to fraction form
    857,254.20/1,284,248.16 = 532,528.44/x
  3. Step 3: Cross multiply
    857,254.20x = 1,284,248.16 × 532,528.44
  4. Step 4: Simplify right side
    857,254.20x = 683,898,669,217.67
  5. Step 5: Solve for x
    x = 683,898,669,217.67/857,254.20
  6. Step 6: Final answer
    x = 797,778.15

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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.