Home / 438,244.22-657,574.50-303,515.61

Finding the Fourth Proportional to 438,244.22, 657,574.50 and 303,515.61

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Solution

The fourth proportional to 438,244.22, 657,574.50 and 303,515.61 is: 455,417.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,244.22 : 657,574.50 = 303,515.61 : x
  2. Step 2: Convert to fraction form
    438,244.22/657,574.50 = 303,515.61/x
  3. Step 3: Cross multiply
    438,244.22x = 657,574.50 × 303,515.61
  4. Step 4: Simplify right side
    438,244.22x = 199,584,125,487.95
  5. Step 5: Solve for x
    x = 199,584,125,487.95/438,244.22
  6. Step 6: Final answer
    x = 455,417.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.