Home / 787,734.42-1,087,067.97-430,038.42

Finding the Fourth Proportional to 787,734.42, 1,087,067.97 and 430,038.42

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Solution

The fourth proportional to 787,734.42, 1,087,067.97 and 430,038.42 is: 593,450.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,734.42 : 1,087,067.97 = 430,038.42 : x
  2. Step 2: Convert to fraction form
    787,734.42/1,087,067.97 = 430,038.42/x
  3. Step 3: Cross multiply
    787,734.42x = 1,087,067.97 × 430,038.42
  4. Step 4: Simplify right side
    787,734.42x = 467,480,992,251.41
  5. Step 5: Solve for x
    x = 467,480,992,251.41/787,734.42
  6. Step 6: Final answer
    x = 593,450.00

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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.