Home / 750,822.57-1,036,077.78-428,489.16

Finding the Fourth Proportional to 750,822.57, 1,036,077.78 and 428,489.16

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Solution

The fourth proportional to 750,822.57, 1,036,077.78 and 428,489.16 is: 591,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,822.57 : 1,036,077.78 = 428,489.16 : x
  2. Step 2: Convert to fraction form
    750,822.57/1,036,077.78 = 428,489.16/x
  3. Step 3: Cross multiply
    750,822.57x = 1,036,077.78 × 428,489.16
  4. Step 4: Simplify right side
    750,822.57x = 443,948,097,646.87
  5. Step 5: Solve for x
    x = 443,948,097,646.87/750,822.57
  6. Step 6: Final answer
    x = 591,282.30

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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.