Home / 923,829.60-1,385,485.20-292,936.80

Finding the Fourth Proportional to 923,829.60, 1,385,485.20 and 292,936.80

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Solution

The fourth proportional to 923,829.60, 1,385,485.20 and 292,936.80 is: 439,323.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,829.60 : 1,385,485.20 = 292,936.80 : x
  2. Step 2: Convert to fraction form
    923,829.60/1,385,485.20 = 292,936.80/x
  3. Step 3: Cross multiply
    923,829.60x = 1,385,485.20 × 292,936.80
  4. Step 4: Simplify right side
    923,829.60x = 405,859,600,935.36
  5. Step 5: Solve for x
    x = 405,859,600,935.36/923,829.60
  6. Step 6: Final answer
    x = 439,323.01

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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.