Home / 679,411.84-1,019,091.15-230,132.70

Finding the Fourth Proportional to 679,411.84, 1,019,091.15 and 230,132.70

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Solution

The fourth proportional to 679,411.84, 1,019,091.15 and 230,132.70 is: 345,190.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,411.84 : 1,019,091.15 = 230,132.70 : x
  2. Step 2: Convert to fraction form
    679,411.84/1,019,091.15 = 230,132.70/x
  3. Step 3: Cross multiply
    679,411.84x = 1,019,091.15 × 230,132.70
  4. Step 4: Simplify right side
    679,411.84x = 234,526,197,964.91
  5. Step 5: Solve for x
    x = 234,526,197,964.91/679,411.84
  6. Step 6: Final answer
    x = 345,190.03

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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.