Home / 755,486.68-1,042,259.24-449,501.88

Finding the Fourth Proportional to 755,486.68, 1,042,259.24 and 449,501.88

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Solution

The fourth proportional to 755,486.68, 1,042,259.24 and 449,501.88 is: 620,126.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,486.68 : 1,042,259.24 = 449,501.88 : x
  2. Step 2: Convert to fraction form
    755,486.68/1,042,259.24 = 449,501.88/x
  3. Step 3: Cross multiply
    755,486.68x = 1,042,259.24 × 449,501.88
  4. Step 4: Simplify right side
    755,486.68x = 468,497,487,827.37
  5. Step 5: Solve for x
    x = 468,497,487,827.37/755,486.68
  6. Step 6: Final answer
    x = 620,126.73

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1.5x scale

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.