Home / 778,332.14-1,167,401.59-209,757.72

Finding the Fourth Proportional to 778,332.14, 1,167,401.59 and 209,757.72

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Solution

The fourth proportional to 778,332.14, 1,167,401.59 and 209,757.72 is: 314,610.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,332.14 : 1,167,401.59 = 209,757.72 : x
  2. Step 2: Convert to fraction form
    778,332.14/1,167,401.59 = 209,757.72/x
  3. Step 3: Cross multiply
    778,332.14x = 1,167,401.59 × 209,757.72
  4. Step 4: Simplify right side
    778,332.14x = 244,871,495,842.78
  5. Step 5: Solve for x
    x = 244,871,495,842.78/778,332.14
  6. Step 6: Final answer
    x = 314,610.54

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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.