Home / 497,718.38-686,852.04-271,363.88

Finding the Fourth Proportional to 497,718.38, 686,852.04 and 271,363.88

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Solution

The fourth proportional to 497,718.38, 686,852.04 and 271,363.88 is: 374,482.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,718.38 : 686,852.04 = 271,363.88 : x
  2. Step 2: Convert to fraction form
    497,718.38/686,852.04 = 271,363.88/x
  3. Step 3: Cross multiply
    497,718.38x = 686,852.04 × 271,363.88
  4. Step 4: Simplify right side
    497,718.38x = 186,386,829,769.24
  5. Step 5: Solve for x
    x = 186,386,829,769.24/497,718.38
  6. Step 6: Final answer
    x = 374,482.52

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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.