Home / 747,912.20-1,121,874.70-249,276.20

Finding the Fourth Proportional to 747,912.20, 1,121,874.70 and 249,276.20

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Solution

The fourth proportional to 747,912.20, 1,121,874.70 and 249,276.20 is: 373,916.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,912.20 : 1,121,874.70 = 249,276.20 : x
  2. Step 2: Convert to fraction form
    747,912.20/1,121,874.70 = 249,276.20/x
  3. Step 3: Cross multiply
    747,912.20x = 1,121,874.70 × 249,276.20
  4. Step 4: Simplify right side
    747,912.20x = 279,656,662,092.14
  5. Step 5: Solve for x
    x = 279,656,662,092.14/747,912.20
  6. Step 6: Final answer
    x = 373,916.43

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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.