Home / 719,821.29-1,080,396.15-365,084.43

Finding the Fourth Proportional to 719,821.29, 1,080,396.15 and 365,084.43

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Solution

The fourth proportional to 719,821.29, 1,080,396.15 and 365,084.43 is: 547,963.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,821.29 : 1,080,396.15 = 365,084.43 : x
  2. Step 2: Convert to fraction form
    719,821.29/1,080,396.15 = 365,084.43/x
  3. Step 3: Cross multiply
    719,821.29x = 1,080,396.15 × 365,084.43
  4. Step 4: Simplify right side
    719,821.29x = 394,435,812,596.94
  5. Step 5: Solve for x
    x = 394,435,812,596.94/719,821.29
  6. Step 6: Final answer
    x = 547,963.53

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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.