Home / 663,090.66-914,666.25-404,849.70

Finding the Fourth Proportional to 663,090.66, 914,666.25 and 404,849.70

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Solution

The fourth proportional to 663,090.66, 914,666.25 and 404,849.70 is: 558,449.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,090.66 : 914,666.25 = 404,849.70 : x
  2. Step 2: Convert to fraction form
    663,090.66/914,666.25 = 404,849.70/x
  3. Step 3: Cross multiply
    663,090.66x = 914,666.25 × 404,849.70
  4. Step 4: Simplify right side
    663,090.66x = 370,302,356,912.63
  5. Step 5: Solve for x
    x = 370,302,356,912.63/663,090.66
  6. Step 6: Final answer
    x = 558,449.06

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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.