Home / 676,820.10-1,015,230.15-424,877.70

Finding the Fourth Proportional to 676,820.10, 1,015,230.15 and 424,877.70

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Solution

The fourth proportional to 676,820.10, 1,015,230.15 and 424,877.70 is: 637,316.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,820.10 : 1,015,230.15 = 424,877.70 : x
  2. Step 2: Convert to fraction form
    676,820.10/1,015,230.15 = 424,877.70/x
  3. Step 3: Cross multiply
    676,820.10x = 1,015,230.15 × 424,877.70
  4. Step 4: Simplify right side
    676,820.10x = 431,348,651,102.66
  5. Step 5: Solve for x
    x = 431,348,651,102.66/676,820.10
  6. Step 6: Final answer
    x = 637,316.55

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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.