Home / 428,729.02-591,669.70-237,738.31

Finding the Fourth Proportional to 428,729.02, 591,669.70 and 237,738.31

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Solution

The fourth proportional to 428,729.02, 591,669.70 and 237,738.31 is: 328,091.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,729.02 : 591,669.70 = 237,738.31 : x
  2. Step 2: Convert to fraction form
    428,729.02/591,669.70 = 237,738.31/x
  3. Step 3: Cross multiply
    428,729.02x = 591,669.70 × 237,738.31
  4. Step 4: Simplify right side
    428,729.02x = 140,662,552,482.69
  5. Step 5: Solve for x
    x = 140,662,552,482.69/428,729.02
  6. Step 6: Final answer
    x = 328,091.98

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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.