Home / 572,164.48-789,613.92-317,517.76

Finding the Fourth Proportional to 572,164.48, 789,613.92 and 317,517.76

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Solution

The fourth proportional to 572,164.48, 789,613.92 and 317,517.76 is: 438,189.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,164.48 : 789,613.92 = 317,517.76 : x
  2. Step 2: Convert to fraction form
    572,164.48/789,613.92 = 317,517.76/x
  3. Step 3: Cross multiply
    572,164.48x = 789,613.92 × 317,517.76
  4. Step 4: Simplify right side
    572,164.48x = 250,716,443,143.22
  5. Step 5: Solve for x
    x = 250,716,443,143.22/572,164.48
  6. Step 6: Final answer
    x = 438,189.46

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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.