Home / 770,469.60-1,157,086.80-560,344.80

Finding the Fourth Proportional to 770,469.60, 1,157,086.80 and 560,344.80

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Solution

The fourth proportional to 770,469.60, 1,157,086.80 and 560,344.80 is: 841,522.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,469.60 : 1,157,086.80 = 560,344.80 : x
  2. Step 2: Convert to fraction form
    770,469.60/1,157,086.80 = 560,344.80/x
  3. Step 3: Cross multiply
    770,469.60x = 1,157,086.80 × 560,344.80
  4. Step 4: Simplify right side
    770,469.60x = 648,367,571,528.64
  5. Step 5: Solve for x
    x = 648,367,571,528.64/770,469.60
  6. Step 6: Final answer
    x = 841,522.59

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1.5x scale

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.