Home / 770,648.60-1,154,477.28-567,876.80

Finding the Fourth Proportional to 770,648.60, 1,154,477.28 and 567,876.80

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Solution

The fourth proportional to 770,648.60, 1,154,477.28 and 567,876.80 is: 850,713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,648.60 : 1,154,477.28 = 567,876.80 : x
  2. Step 2: Convert to fraction form
    770,648.60/1,154,477.28 = 567,876.80/x
  3. Step 3: Cross multiply
    770,648.60x = 1,154,477.28 × 567,876.80
  4. Step 4: Simplify right side
    770,648.60x = 655,600,863,439.10
  5. Step 5: Solve for x
    x = 655,600,863,439.10/770,648.60
  6. Step 6: Final answer
    x = 850,713.11

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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.