Home / 479,812.78-719,720.08-124,826.22

Finding the Fourth Proportional to 479,812.78, 719,720.08 and 124,826.22

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Solution

The fourth proportional to 479,812.78, 719,720.08 and 124,826.22 is: 187,239.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,812.78 : 719,720.08 = 124,826.22 : x
  2. Step 2: Convert to fraction form
    479,812.78/719,720.08 = 124,826.22/x
  3. Step 3: Cross multiply
    479,812.78x = 719,720.08 × 124,826.22
  4. Step 4: Simplify right side
    479,812.78x = 89,839,937,044.50
  5. Step 5: Solve for x
    x = 89,839,937,044.50/479,812.78
  6. Step 6: Final answer
    x = 187,239.57

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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.