Home / 758,823.60-1,138,235.40-404,529.60

Finding the Fourth Proportional to 758,823.60, 1,138,235.40 and 404,529.60

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Solution

The fourth proportional to 758,823.60, 1,138,235.40 and 404,529.60 is: 606,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,823.60 : 1,138,235.40 = 404,529.60 : x
  2. Step 2: Convert to fraction form
    758,823.60/1,138,235.40 = 404,529.60/x
  3. Step 3: Cross multiply
    758,823.60x = 1,138,235.40 × 404,529.60
  4. Step 4: Simplify right side
    758,823.60x = 460,449,911,067.84
  5. Step 5: Solve for x
    x = 460,449,911,067.84/758,823.60
  6. Step 6: Final answer
    x = 606,794.40

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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.