Home / 646,821.38-969,049.80-468,887.06

Finding the Fourth Proportional to 646,821.38, 969,049.80 and 468,887.06

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Solution

The fourth proportional to 646,821.38, 969,049.80 and 468,887.06 is: 702,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,821.38 : 969,049.80 = 468,887.06 : x
  2. Step 2: Convert to fraction form
    646,821.38/969,049.80 = 468,887.06/x
  3. Step 3: Cross multiply
    646,821.38x = 969,049.80 × 468,887.06
  4. Step 4: Simplify right side
    646,821.38x = 454,374,911,715.59
  5. Step 5: Solve for x
    x = 454,374,911,715.59/646,821.38
  6. Step 6: Final answer
    x = 702,473.55

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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.