Home / 676,922.20-1,015,772.10-256,499.80

Finding the Fourth Proportional to 676,922.20, 1,015,772.10 and 256,499.80

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Solution

The fourth proportional to 676,922.20, 1,015,772.10 and 256,499.80 is: 384,897.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,922.20 : 1,015,772.10 = 256,499.80 : x
  2. Step 2: Convert to fraction form
    676,922.20/1,015,772.10 = 256,499.80/x
  3. Step 3: Cross multiply
    676,922.20x = 1,015,772.10 × 256,499.80
  4. Step 4: Simplify right side
    676,922.20x = 260,545,340,495.58
  5. Step 5: Solve for x
    x = 260,545,340,495.58/676,922.20
  6. Step 6: Final answer
    x = 384,897.02

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1.5x scale

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.