Home / 913,418.73-1,370,259.36-282,381.75

Finding the Fourth Proportional to 913,418.73, 1,370,259.36 and 282,381.75

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Solution

The fourth proportional to 913,418.73, 1,370,259.36 and 282,381.75 is: 423,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,418.73 : 1,370,259.36 = 282,381.75 : x
  2. Step 2: Convert to fraction form
    913,418.73/1,370,259.36 = 282,381.75/x
  3. Step 3: Cross multiply
    913,418.73x = 1,370,259.36 × 282,381.75
  4. Step 4: Simplify right side
    913,418.73x = 386,936,236,030.68
  5. Step 5: Solve for x
    x = 386,936,236,030.68/913,418.73
  6. Step 6: Final answer
    x = 423,613.21

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1.5x scale

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.