Home / 979,505.43-1,351,704.02-549,777.75

Finding the Fourth Proportional to 979,505.43, 1,351,704.02 and 549,777.75

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Solution

The fourth proportional to 979,505.43, 1,351,704.02 and 549,777.75 is: 758,685.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,505.43 : 1,351,704.02 = 549,777.75 : x
  2. Step 2: Convert to fraction form
    979,505.43/1,351,704.02 = 549,777.75/x
  3. Step 3: Cross multiply
    979,505.43x = 1,351,704.02 × 549,777.75
  4. Step 4: Simplify right side
    979,505.43x = 743,136,792,032.67
  5. Step 5: Solve for x
    x = 743,136,792,032.67/979,505.43
  6. Step 6: Final answer
    x = 758,685.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.