Home / 662,731.76-914,595.72-376,278.50

Finding the Fourth Proportional to 662,731.76, 914,595.72 and 376,278.50

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Solution

The fourth proportional to 662,731.76, 914,595.72 and 376,278.50 is: 519,279.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,731.76 : 914,595.72 = 376,278.50 : x
  2. Step 2: Convert to fraction form
    662,731.76/914,595.72 = 376,278.50/x
  3. Step 3: Cross multiply
    662,731.76x = 914,595.72 × 376,278.50
  4. Step 4: Simplify right side
    662,731.76x = 344,142,705,628.02
  5. Step 5: Solve for x
    x = 344,142,705,628.02/662,731.76
  6. Step 6: Final answer
    x = 519,279.03

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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.