Home / 428,989.69-592,091.94-247,731.13

Finding the Fourth Proportional to 428,989.69, 592,091.94 and 247,731.13

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Solution

The fourth proportional to 428,989.69, 592,091.94 and 247,731.13 is: 341,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,989.69 : 592,091.94 = 247,731.13 : x
  2. Step 2: Convert to fraction form
    428,989.69/592,091.94 = 247,731.13/x
  3. Step 3: Cross multiply
    428,989.69x = 592,091.94 × 247,731.13
  4. Step 4: Simplify right side
    428,989.69x = 146,679,605,360.09
  5. Step 5: Solve for x
    x = 146,679,605,360.09/428,989.69
  6. Step 6: Final answer
    x = 341,918.72

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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.