Home / 923,280.72-1,385,121.96-292,200

Finding the Fourth Proportional to 923,280.72, 1,385,121.96 and 292,200

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Solution

The fourth proportional to 923,280.72, 1,385,121.96 and 292,200 is: 438,363.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,280.72 : 1,385,121.96 = 292,200 : x
  2. Step 2: Convert to fraction form
    923,280.72/1,385,121.96 = 292,200/x
  3. Step 3: Cross multiply
    923,280.72x = 1,385,121.96 × 292,200
  4. Step 4: Simplify right side
    923,280.72x = 404,732,636,712
  5. Step 5: Solve for x
    x = 404,732,636,712/923,280.72
  6. Step 6: Final answer
    x = 438,363.57

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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.