Home / 715,153.28-1,072,713.32-360,071.96

Finding the Fourth Proportional to 715,153.28, 1,072,713.32 and 360,071.96

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Solution

The fourth proportional to 715,153.28, 1,072,713.32 and 360,071.96 is: 540,099.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,153.28 : 1,072,713.32 = 360,071.96 : x
  2. Step 2: Convert to fraction form
    715,153.28/1,072,713.32 = 360,071.96/x
  3. Step 3: Cross multiply
    715,153.28x = 1,072,713.32 × 360,071.96
  4. Step 4: Simplify right side
    715,153.28x = 386,253,985,850.15
  5. Step 5: Solve for x
    x = 386,253,985,850.15/715,153.28
  6. Step 6: Final answer
    x = 540,099.58

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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.