Home / 440,625.12-608,064.64-249,675.72

Finding the Fourth Proportional to 440,625.12, 608,064.64 and 249,675.72

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Solution

The fourth proportional to 440,625.12, 608,064.64 and 249,675.72 is: 344,553.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,625.12 : 608,064.64 = 249,675.72 : x
  2. Step 2: Convert to fraction form
    440,625.12/608,064.64 = 249,675.72/x
  3. Step 3: Cross multiply
    440,625.12x = 608,064.64 × 249,675.72
  4. Step 4: Simplify right side
    440,625.12x = 151,818,976,798.54
  5. Step 5: Solve for x
    x = 151,818,976,798.54/440,625.12
  6. Step 6: Final answer
    x = 344,553.61

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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.