Home / 778,090.42-1,073,743.38-433,936.82

Finding the Fourth Proportional to 778,090.42, 1,073,743.38 and 433,936.82

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Solution

The fourth proportional to 778,090.42, 1,073,743.38 and 433,936.82 is: 598,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,090.42 : 1,073,743.38 = 433,936.82 : x
  2. Step 2: Convert to fraction form
    778,090.42/1,073,743.38 = 433,936.82/x
  3. Step 3: Cross multiply
    778,090.42x = 1,073,743.38 × 433,936.82
  4. Step 4: Simplify right side
    778,090.42x = 465,936,787,813.25
  5. Step 5: Solve for x
    x = 465,936,787,813.25/778,090.42
  6. Step 6: Final answer
    x = 598,820.88

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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.