Home / 843,246.78-1,264,792.40-282,286.14

Finding the Fourth Proportional to 843,246.78, 1,264,792.40 and 282,286.14

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Solution

The fourth proportional to 843,246.78, 1,264,792.40 and 282,286.14 is: 423,403.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,246.78 : 1,264,792.40 = 282,286.14 : x
  2. Step 2: Convert to fraction form
    843,246.78/1,264,792.40 = 282,286.14/x
  3. Step 3: Cross multiply
    843,246.78x = 1,264,792.40 × 282,286.14
  4. Step 4: Simplify right side
    843,246.78x = 357,033,364,497.34
  5. Step 5: Solve for x
    x = 357,033,364,497.34/843,246.78
  6. Step 6: Final answer
    x = 423,403.18

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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.