Home / 412,557.76-618,192.60-286,444

Finding the Fourth Proportional to 412,557.76, 618,192.60 and 286,444

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Solution

The fourth proportional to 412,557.76, 618,192.60 and 286,444 is: 429,218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,557.76 : 618,192.60 = 286,444 : x
  2. Step 2: Convert to fraction form
    412,557.76/618,192.60 = 286,444/x
  3. Step 3: Cross multiply
    412,557.76x = 618,192.60 × 286,444
  4. Step 4: Simplify right side
    412,557.76x = 177,077,561,114.40
  5. Step 5: Solve for x
    x = 177,077,561,114.40/412,557.76
  6. Step 6: Final answer
    x = 429,218.83

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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.