Home / 913,664.20-1,370,690.70-282,641.80

Finding the Fourth Proportional to 913,664.20, 1,370,690.70 and 282,641.80

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Solution

The fourth proportional to 913,664.20, 1,370,690.70 and 282,641.80 is: 424,022.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,664.20 : 1,370,690.70 = 282,641.80 : x
  2. Step 2: Convert to fraction form
    913,664.20/1,370,690.70 = 282,641.80/x
  3. Step 3: Cross multiply
    913,664.20x = 1,370,690.70 × 282,641.80
  4. Step 4: Simplify right side
    913,664.20x = 387,414,486,691.26
  5. Step 5: Solve for x
    x = 387,414,486,691.26/913,664.20
  6. Step 6: Final answer
    x = 424,022.84

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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.