Home / 674,930.70-1,013,052.15-409,210.20

Finding the Fourth Proportional to 674,930.70, 1,013,052.15 and 409,210.20

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Solution

The fourth proportional to 674,930.70, 1,013,052.15 and 409,210.20 is: 614,213.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,930.70 : 1,013,052.15 = 409,210.20 : x
  2. Step 2: Convert to fraction form
    674,930.70/1,013,052.15 = 409,210.20/x
  3. Step 3: Cross multiply
    674,930.70x = 1,013,052.15 × 409,210.20
  4. Step 4: Simplify right side
    674,930.70x = 414,551,272,911.93
  5. Step 5: Solve for x
    x = 414,551,272,911.93/674,930.70
  6. Step 6: Final answer
    x = 614,213.09

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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.