Home / 867,424.95-1,300,813.83-298,645.38

Finding the Fourth Proportional to 867,424.95, 1,300,813.83 and 298,645.38

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Solution

The fourth proportional to 867,424.95, 1,300,813.83 and 298,645.38 is: 447,856.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,424.95 : 1,300,813.83 = 298,645.38 : x
  2. Step 2: Convert to fraction form
    867,424.95/1,300,813.83 = 298,645.38/x
  3. Step 3: Cross multiply
    867,424.95x = 1,300,813.83 × 298,645.38
  4. Step 4: Simplify right side
    867,424.95x = 388,482,040,569.61
  5. Step 5: Solve for x
    x = 388,482,040,569.61/867,424.95
  6. Step 6: Final answer
    x = 447,856.66

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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.