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Finding the Fourth Proportional to 424,818.41, 585,950.86 and 279,577.92

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Solution

The fourth proportional to 424,818.41, 585,950.86 and 279,577.92 is: 385,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,818.41 : 585,950.86 = 279,577.92 : x
  2. Step 2: Convert to fraction form
    424,818.41/585,950.86 = 279,577.92/x
  3. Step 3: Cross multiply
    424,818.41x = 585,950.86 × 279,577.92
  4. Step 4: Simplify right side
    424,818.41x = 163,818,918,333.37
  5. Step 5: Solve for x
    x = 163,818,918,333.37/424,818.41
  6. Step 6: Final answer
    x = 385,621.05

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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.