Home / 412,810.86-618,618.66-284,595.53

Finding the Fourth Proportional to 412,810.86, 618,618.66 and 284,595.53

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Solution

The fourth proportional to 412,810.86, 618,618.66 and 284,595.53 is: 426,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,810.86 : 618,618.66 = 284,595.53 : x
  2. Step 2: Convert to fraction form
    412,810.86/618,618.66 = 284,595.53/x
  3. Step 3: Cross multiply
    412,810.86x = 618,618.66 × 284,595.53
  4. Step 4: Simplify right side
    412,810.86x = 176,056,103,570.08
  5. Step 5: Solve for x
    x = 176,056,103,570.08/412,810.86
  6. Step 6: Final answer
    x = 426,481.28

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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.