Home / 676,934.04-934,168.90-375,128.04

Finding the Fourth Proportional to 676,934.04, 934,168.90 and 375,128.04

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Solution

The fourth proportional to 676,934.04, 934,168.90 and 375,128.04 is: 517,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,934.04 : 934,168.90 = 375,128.04 : x
  2. Step 2: Convert to fraction form
    676,934.04/934,168.90 = 375,128.04/x
  3. Step 3: Cross multiply
    676,934.04x = 934,168.90 × 375,128.04
  4. Step 4: Simplify right side
    676,934.04x = 350,432,948,485.96
  5. Step 5: Solve for x
    x = 350,432,948,485.96/676,934.04
  6. Step 6: Final answer
    x = 517,676.65

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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.