Home / 774,609.61-1,068,972.38-425,782.32

Finding the Fourth Proportional to 774,609.61, 1,068,972.38 and 425,782.32

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Solution

The fourth proportional to 774,609.61, 1,068,972.38 and 425,782.32 is: 587,585.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,609.61 : 1,068,972.38 = 425,782.32 : x
  2. Step 2: Convert to fraction form
    774,609.61/1,068,972.38 = 425,782.32/x
  3. Step 3: Cross multiply
    774,609.61x = 1,068,972.38 × 425,782.32
  4. Step 4: Simplify right side
    774,609.61x = 455,149,537,843.41
  5. Step 5: Solve for x
    x = 455,149,537,843.41/774,609.61
  6. Step 6: Final answer
    x = 587,585.71

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Double scale
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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.