Home / 876,502.20-1,315,249.02-477,170.58

Finding the Fourth Proportional to 876,502.20, 1,315,249.02 and 477,170.58

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Solution

The fourth proportional to 876,502.20, 1,315,249.02 and 477,170.58 is: 716,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,502.20 : 1,315,249.02 = 477,170.58 : x
  2. Step 2: Convert to fraction form
    876,502.20/1,315,249.02 = 477,170.58/x
  3. Step 3: Cross multiply
    876,502.20x = 1,315,249.02 × 477,170.58
  4. Step 4: Simplify right side
    876,502.20x = 627,598,137,717.83
  5. Step 5: Solve for x
    x = 627,598,137,717.83/876,502.20
  6. Step 6: Final answer
    x = 716,025.74

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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.