Home / 879,217.32-1,318,641.45-247,983.51

Finding the Fourth Proportional to 879,217.32, 1,318,641.45 and 247,983.51

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Solution

The fourth proportional to 879,217.32, 1,318,641.45 and 247,983.51 is: 371,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,217.32 : 1,318,641.45 = 247,983.51 : x
  2. Step 2: Convert to fraction form
    879,217.32/1,318,641.45 = 247,983.51/x
  3. Step 3: Cross multiply
    879,217.32x = 1,318,641.45 × 247,983.51
  4. Step 4: Simplify right side
    879,217.32x = 327,001,335,202.49
  5. Step 5: Solve for x
    x = 327,001,335,202.49/879,217.32
  6. Step 6: Final answer
    x = 371,923.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.