Home / 508,943.45-763,408.70-124,696.19

Finding the Fourth Proportional to 508,943.45, 763,408.70 and 124,696.19

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Solution

The fourth proportional to 508,943.45, 763,408.70 and 124,696.19 is: 187,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,943.45 : 763,408.70 = 124,696.19 : x
  2. Step 2: Convert to fraction form
    508,943.45/763,408.70 = 124,696.19/x
  3. Step 3: Cross multiply
    508,943.45x = 763,408.70 × 124,696.19
  4. Step 4: Simplify right side
    508,943.45x = 95,194,158,055.50
  5. Step 5: Solve for x
    x = 95,194,158,055.50/508,943.45
  6. Step 6: Final answer
    x = 187,042.70

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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.