Home / 840,482.68-1,159,868.82-458,517.46

Finding the Fourth Proportional to 840,482.68, 1,159,868.82 and 458,517.46

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Solution

The fourth proportional to 840,482.68, 1,159,868.82 and 458,517.46 is: 632,755.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,482.68 : 1,159,868.82 = 458,517.46 : x
  2. Step 2: Convert to fraction form
    840,482.68/1,159,868.82 = 458,517.46/x
  3. Step 3: Cross multiply
    840,482.68x = 1,159,868.82 × 458,517.46
  4. Step 4: Simplify right side
    840,482.68x = 531,820,105,279.60
  5. Step 5: Solve for x
    x = 531,820,105,279.60/840,482.68
  6. Step 6: Final answer
    x = 632,755.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.