Home / 428,475.02-591,314.19-237,488.56

Finding the Fourth Proportional to 428,475.02, 591,314.19 and 237,488.56

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Solution

The fourth proportional to 428,475.02, 591,314.19 and 237,488.56 is: 327,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,475.02 : 591,314.19 = 237,488.56 : x
  2. Step 2: Convert to fraction form
    428,475.02/591,314.19 = 237,488.56/x
  3. Step 3: Cross multiply
    428,475.02x = 591,314.19 × 237,488.56
  4. Step 4: Simplify right side
    428,475.02x = 140,430,355,490.67
  5. Step 5: Solve for x
    x = 140,430,355,490.67/428,475.02
  6. Step 6: Final answer
    x = 327,744.56

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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.