Home / 770,810.20-1,154,660.10-534,419.80

Finding the Fourth Proportional to 770,810.20, 1,154,660.10 and 534,419.80

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Solution

The fourth proportional to 770,810.20, 1,154,660.10 and 534,419.80 is: 800,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,810.20 : 1,154,660.10 = 534,419.80 : x
  2. Step 2: Convert to fraction form
    770,810.20/1,154,660.10 = 534,419.80/x
  3. Step 3: Cross multiply
    770,810.20x = 1,154,660.10 × 534,419.80
  4. Step 4: Simplify right side
    770,810.20x = 617,073,219,709.98
  5. Step 5: Solve for x
    x = 617,073,219,709.98/770,810.20
  6. Step 6: Final answer
    x = 800,551.45

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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.