Home / 740,895.66-1,022,435.97-401,363.91

Finding the Fourth Proportional to 740,895.66, 1,022,435.97 and 401,363.91

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Solution

The fourth proportional to 740,895.66, 1,022,435.97 and 401,363.91 is: 553,882.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,895.66 : 1,022,435.97 = 401,363.91 : x
  2. Step 2: Convert to fraction form
    740,895.66/1,022,435.97 = 401,363.91/x
  3. Step 3: Cross multiply
    740,895.66x = 1,022,435.97 × 401,363.91
  4. Step 4: Simplify right side
    740,895.66x = 410,368,897,138.73
  5. Step 5: Solve for x
    x = 410,368,897,138.73/740,895.66
  6. Step 6: Final answer
    x = 553,882.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.