Home / 913,470.54-1,370,107.38-239,619.39

Finding the Fourth Proportional to 913,470.54, 1,370,107.38 and 239,619.39

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Solution

The fourth proportional to 913,470.54, 1,370,107.38 and 239,619.39 is: 359,403.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,470.54 : 1,370,107.38 = 239,619.39 : x
  2. Step 2: Convert to fraction form
    913,470.54/1,370,107.38 = 239,619.39/x
  3. Step 3: Cross multiply
    913,470.54x = 1,370,107.38 × 239,619.39
  4. Step 4: Simplify right side
    913,470.54x = 328,304,294,630.10
  5. Step 5: Solve for x
    x = 328,304,294,630.10/913,470.54
  6. Step 6: Final answer
    x = 359,403.27

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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.