Home / 679,604.80-1,018,532.40-413,082.40

Finding the Fourth Proportional to 679,604.80, 1,018,532.40 and 413,082.40

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Solution

The fourth proportional to 679,604.80, 1,018,532.40 and 413,082.40 is: 619,091.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,604.80 : 1,018,532.40 = 413,082.40 : x
  2. Step 2: Convert to fraction form
    679,604.80/1,018,532.40 = 413,082.40/x
  3. Step 3: Cross multiply
    679,604.80x = 1,018,532.40 × 413,082.40
  4. Step 4: Simplify right side
    679,604.80x = 420,737,808,269.76
  5. Step 5: Solve for x
    x = 420,737,808,269.76/679,604.80
  6. Step 6: Final answer
    x = 619,091.87

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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.