Home / 428,969.22-592,030.02-247,680.85

Finding the Fourth Proportional to 428,969.22, 592,030.02 and 247,680.85

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Solution

The fourth proportional to 428,969.22, 592,030.02 and 247,680.85 is: 341,829.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,969.22 : 592,030.02 = 247,680.85 : x
  2. Step 2: Convert to fraction form
    428,969.22/592,030.02 = 247,680.85/x
  3. Step 3: Cross multiply
    428,969.22x = 592,030.02 × 247,680.85
  4. Step 4: Simplify right side
    428,969.22x = 146,634,498,579.12
  5. Step 5: Solve for x
    x = 146,634,498,579.12/428,969.22
  6. Step 6: Final answer
    x = 341,829.88

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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.