Home / 791,350.13-1,092,061.64-428,783.80

Finding the Fourth Proportional to 791,350.13, 1,092,061.64 and 428,783.80

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Solution

The fourth proportional to 791,350.13, 1,092,061.64 and 428,783.80 is: 591,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,350.13 : 1,092,061.64 = 428,783.80 : x
  2. Step 2: Convert to fraction form
    791,350.13/1,092,061.64 = 428,783.80/x
  3. Step 3: Cross multiply
    791,350.13x = 1,092,061.64 × 428,783.80
  4. Step 4: Simplify right side
    791,350.13x = 468,258,339,833.43
  5. Step 5: Solve for x
    x = 468,258,339,833.43/791,350.13
  6. Step 6: Final answer
    x = 591,720.81

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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.