Home / 786,118.28-1,084,881.74-442,062.54

Finding the Fourth Proportional to 786,118.28, 1,084,881.74 and 442,062.54

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Solution

The fourth proportional to 786,118.28, 1,084,881.74 and 442,062.54 is: 610,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,118.28 : 1,084,881.74 = 442,062.54 : x
  2. Step 2: Convert to fraction form
    786,118.28/1,084,881.74 = 442,062.54/x
  3. Step 3: Cross multiply
    786,118.28x = 1,084,881.74 × 442,062.54
  4. Step 4: Simplify right side
    786,118.28x = 479,585,575,373.71
  5. Step 5: Solve for x
    x = 479,585,575,373.71/786,118.28
  6. Step 6: Final answer
    x = 610,067.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.