Home / 778,079.93-1,073,728.91-433,926.32

Finding the Fourth Proportional to 778,079.93, 1,073,728.91 and 433,926.32

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Solution

The fourth proportional to 778,079.93, 1,073,728.91 and 433,926.32 is: 598,806.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,079.93 : 1,073,728.91 = 433,926.32 : x
  2. Step 2: Convert to fraction form
    778,079.93/1,073,728.91 = 433,926.32/x
  3. Step 3: Cross multiply
    778,079.93x = 1,073,728.91 × 433,926.32
  4. Step 4: Simplify right side
    778,079.93x = 465,919,230,310.08
  5. Step 5: Solve for x
    x = 465,919,230,310.08/778,079.93
  6. Step 6: Final answer
    x = 598,806.39

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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.