Home / 428,473.17-591,312.30-244,727.76

Finding the Fourth Proportional to 428,473.17, 591,312.30 and 244,727.76

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Solution

The fourth proportional to 428,473.17, 591,312.30 and 244,727.76 is: 337,735.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,473.17 : 591,312.30 = 244,727.76 : x
  2. Step 2: Convert to fraction form
    428,473.17/591,312.30 = 244,727.76/x
  3. Step 3: Cross multiply
    428,473.17x = 591,312.30 × 244,727.76
  4. Step 4: Simplify right side
    428,473.17x = 144,710,534,639.45
  5. Step 5: Solve for x
    x = 144,710,534,639.45/428,473.17
  6. Step 6: Final answer
    x = 337,735.35

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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.