Home / 851,561.02-1,275,895.56-513,892.15

Finding the Fourth Proportional to 851,561.02, 1,275,895.56 and 513,892.15

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Solution

The fourth proportional to 851,561.02, 1,275,895.56 and 513,892.15 is: 769,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,561.02 : 1,275,895.56 = 513,892.15 : x
  2. Step 2: Convert to fraction form
    851,561.02/1,275,895.56 = 513,892.15/x
  3. Step 3: Cross multiply
    851,561.02x = 1,275,895.56 × 513,892.15
  4. Step 4: Simplify right side
    851,561.02x = 655,672,712,503.85
  5. Step 5: Solve for x
    x = 655,672,712,503.85/851,561.02
  6. Step 6: Final answer
    x = 769,965.62

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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.