Home / 428,445.36-591,233.22-237,457.08

Finding the Fourth Proportional to 428,445.36, 591,233.22 and 237,457.08

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Solution

The fourth proportional to 428,445.36, 591,233.22 and 237,457.08 is: 327,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,445.36 : 591,233.22 = 237,457.08 : x
  2. Step 2: Convert to fraction form
    428,445.36/591,233.22 = 237,457.08/x
  3. Step 3: Cross multiply
    428,445.36x = 591,233.22 × 237,457.08
  4. Step 4: Simplify right side
    428,445.36x = 140,392,514,020.20
  5. Step 5: Solve for x
    x = 140,392,514,020.20/428,445.36
  6. Step 6: Final answer
    x = 327,678.92

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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.