Home / 913,519.80-1,370,318.58-282,445.56

Finding the Fourth Proportional to 913,519.80, 1,370,318.58 and 282,445.56

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Solution

The fourth proportional to 913,519.80, 1,370,318.58 and 282,445.56 is: 423,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,519.80 : 1,370,318.58 = 282,445.56 : x
  2. Step 2: Convert to fraction form
    913,519.80/1,370,318.58 = 282,445.56/x
  3. Step 3: Cross multiply
    913,519.80x = 1,370,318.58 × 282,445.56
  4. Step 4: Simplify right side
    913,519.80x = 387,040,398,706.51
  5. Step 5: Solve for x
    x = 387,040,398,706.51/913,519.80
  6. Step 6: Final answer
    x = 423,680.36

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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.