Home / 891,940.73-1,338,280.45-492,545.93

Finding the Fourth Proportional to 891,940.73, 1,338,280.45 and 492,545.93

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Solution

The fourth proportional to 891,940.73, 1,338,280.45 and 492,545.93 is: 739,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,940.73 : 1,338,280.45 = 492,545.93 : x
  2. Step 2: Convert to fraction form
    891,940.73/1,338,280.45 = 492,545.93/x
  3. Step 3: Cross multiply
    891,940.73x = 1,338,280.45 × 492,545.93
  4. Step 4: Simplify right side
    891,940.73x = 659,164,580,923.30
  5. Step 5: Solve for x
    x = 659,164,580,923.30/891,940.73
  6. Step 6: Final answer
    x = 739,022.85

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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.