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Finding the Fourth Proportional to 480,344.43, 662,909.65 and 265,479.89

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Solution

The fourth proportional to 480,344.43, 662,909.65 and 265,479.89 is: 366,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,344.43 : 662,909.65 = 265,479.89 : x
  2. Step 2: Convert to fraction form
    480,344.43/662,909.65 = 265,479.89/x
  3. Step 3: Cross multiply
    480,344.43x = 662,909.65 × 265,479.89
  4. Step 4: Simplify right side
    480,344.43x = 175,989,176,983.69
  5. Step 5: Solve for x
    x = 175,989,176,983.69/480,344.43
  6. Step 6: Final answer
    x = 366,381.21

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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.