Home / 715,180.10-1,073,707.71-479,577.02

Finding the Fourth Proportional to 715,180.10, 1,073,707.71 and 479,577.02

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Solution

The fourth proportional to 715,180.10, 1,073,707.71 and 479,577.02 is: 719,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,180.10 : 1,073,707.71 = 479,577.02 : x
  2. Step 2: Convert to fraction form
    715,180.10/1,073,707.71 = 479,577.02/x
  3. Step 3: Cross multiply
    715,180.10x = 1,073,707.71 × 479,577.02
  4. Step 4: Simplify right side
    715,180.10x = 514,925,543,912.82
  5. Step 5: Solve for x
    x = 514,925,543,912.82/715,180.10
  6. Step 6: Final answer
    x = 719,994.23

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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.