Home / 854,564.10-1,281,846.15-553,414.20

Finding the Fourth Proportional to 854,564.10, 1,281,846.15 and 553,414.20

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Solution

The fourth proportional to 854,564.10, 1,281,846.15 and 553,414.20 is: 830,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,564.10 : 1,281,846.15 = 553,414.20 : x
  2. Step 2: Convert to fraction form
    854,564.10/1,281,846.15 = 553,414.20/x
  3. Step 3: Cross multiply
    854,564.10x = 1,281,846.15 × 553,414.20
  4. Step 4: Simplify right side
    854,564.10x = 709,391,861,625.33
  5. Step 5: Solve for x
    x = 709,391,861,625.33/854,564.10
  6. Step 6: Final answer
    x = 830,121.30

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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.