Home / 913,469.04-1,370,105.13-239,617.89

Finding the Fourth Proportional to 913,469.04, 1,370,105.13 and 239,617.89

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Solution

The fourth proportional to 913,469.04, 1,370,105.13 and 239,617.89 is: 359,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,469.04 : 1,370,105.13 = 239,617.89 : x
  2. Step 2: Convert to fraction form
    913,469.04/1,370,105.13 = 239,617.89/x
  3. Step 3: Cross multiply
    913,469.04x = 1,370,105.13 × 239,617.89
  4. Step 4: Simplify right side
    913,469.04x = 328,301,700,328.78
  5. Step 5: Solve for x
    x = 328,301,700,328.78/913,469.04
  6. Step 6: Final answer
    x = 359,401.02

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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.