Home / 770,825.20-1,154,682.60-534,434.80

Finding the Fourth Proportional to 770,825.20, 1,154,682.60 and 534,434.80

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Solution

The fourth proportional to 770,825.20, 1,154,682.60 and 534,434.80 is: 800,573.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,825.20 : 1,154,682.60 = 534,434.80 : x
  2. Step 2: Convert to fraction form
    770,825.20/1,154,682.60 = 534,434.80/x
  3. Step 3: Cross multiply
    770,825.20x = 1,154,682.60 × 534,434.80
  4. Step 4: Simplify right side
    770,825.20x = 617,102,564,394.48
  5. Step 5: Solve for x
    x = 617,102,564,394.48/770,825.20
  6. Step 6: Final answer
    x = 800,573.94

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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.