Home / 923,909.40-1,385,995.32-284,266.11

Finding the Fourth Proportional to 923,909.40, 1,385,995.32 and 284,266.11

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Solution

The fourth proportional to 923,909.40, 1,385,995.32 and 284,266.11 is: 426,439.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,909.40 : 1,385,995.32 = 284,266.11 : x
  2. Step 2: Convert to fraction form
    923,909.40/1,385,995.32 = 284,266.11/x
  3. Step 3: Cross multiply
    923,909.40x = 1,385,995.32 × 284,266.11
  4. Step 4: Simplify right side
    923,909.40x = 393,991,498,094.61
  5. Step 5: Solve for x
    x = 393,991,498,094.61/923,909.40
  6. Step 6: Final answer
    x = 426,439.54

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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.