Home / 913,451.36-1,370,308.32-282,414.38

Finding the Fourth Proportional to 913,451.36, 1,370,308.32 and 282,414.38

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Solution

The fourth proportional to 913,451.36, 1,370,308.32 and 282,414.38 is: 423,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,451.36 : 1,370,308.32 = 282,414.38 : x
  2. Step 2: Convert to fraction form
    913,451.36/1,370,308.32 = 282,414.38/x
  3. Step 3: Cross multiply
    913,451.36x = 1,370,308.32 × 282,414.38
  4. Step 4: Simplify right side
    913,451.36x = 386,994,767,750.10
  5. Step 5: Solve for x
    x = 386,994,767,750.10/913,451.36
  6. Step 6: Final answer
    x = 423,662.15

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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.