Home / 923,264.80-1,385,005.20-292,242.40

Finding the Fourth Proportional to 923,264.80, 1,385,005.20 and 292,242.40

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Solution

The fourth proportional to 923,264.80, 1,385,005.20 and 292,242.40 is: 438,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,264.80 : 1,385,005.20 = 292,242.40 : x
  2. Step 2: Convert to fraction form
    923,264.80/1,385,005.20 = 292,242.40/x
  3. Step 3: Cross multiply
    923,264.80x = 1,385,005.20 × 292,242.40
  4. Step 4: Simplify right side
    923,264.80x = 404,757,243,660.48
  5. Step 5: Solve for x
    x = 404,757,243,660.48/923,264.80
  6. Step 6: Final answer
    x = 438,397.79

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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.