Home / 416,389.56-574,617.90-225,402.36

Finding the Fourth Proportional to 416,389.56, 574,617.90 and 225,402.36

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Solution

The fourth proportional to 416,389.56, 574,617.90 and 225,402.36 is: 311,055.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,389.56 : 574,617.90 = 225,402.36 : x
  2. Step 2: Convert to fraction form
    416,389.56/574,617.90 = 225,402.36/x
  3. Step 3: Cross multiply
    416,389.56x = 574,617.90 × 225,402.36
  4. Step 4: Simplify right side
    416,389.56x = 129,520,230,758.24
  5. Step 5: Solve for x
    x = 129,520,230,758.24/416,389.56
  6. Step 6: Final answer
    x = 311,055.42

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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.