Home / 770,010.60-1,153,266.30-486,575.40

Finding the Fourth Proportional to 770,010.60, 1,153,266.30 and 486,575.40

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Solution

The fourth proportional to 770,010.60, 1,153,266.30 and 486,575.40 is: 728,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,010.60 : 1,153,266.30 = 486,575.40 : x
  2. Step 2: Convert to fraction form
    770,010.60/1,153,266.30 = 486,575.40/x
  3. Step 3: Cross multiply
    770,010.60x = 1,153,266.30 × 486,575.40
  4. Step 4: Simplify right side
    770,010.60x = 561,151,011,229.02
  5. Step 5: Solve for x
    x = 561,151,011,229.02/770,010.60
  6. Step 6: Final answer
    x = 728,757.51

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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.