Home / 667,918.80-1,001,878.20-247,358.70

Finding the Fourth Proportional to 667,918.80, 1,001,878.20 and 247,358.70

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Solution

The fourth proportional to 667,918.80, 1,001,878.20 and 247,358.70 is: 371,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,918.80 : 1,001,878.20 = 247,358.70 : x
  2. Step 2: Convert to fraction form
    667,918.80/1,001,878.20 = 247,358.70/x
  3. Step 3: Cross multiply
    667,918.80x = 1,001,878.20 × 247,358.70
  4. Step 4: Simplify right side
    667,918.80x = 247,823,289,110.34
  5. Step 5: Solve for x
    x = 247,823,289,110.34/667,918.80
  6. Step 6: Final answer
    x = 371,038.05

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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.