Home / 791,352.14-1,092,064.40-428,785.81

Finding the Fourth Proportional to 791,352.14, 1,092,064.40 and 428,785.81

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Solution

The fourth proportional to 791,352.14, 1,092,064.40 and 428,785.81 is: 591,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,352.14 : 1,092,064.40 = 428,785.81 : x
  2. Step 2: Convert to fraction form
    791,352.14/1,092,064.40 = 428,785.81/x
  3. Step 3: Cross multiply
    791,352.14x = 1,092,064.40 × 428,785.81
  4. Step 4: Simplify right side
    791,352.14x = 468,261,713,452.07
  5. Step 5: Solve for x
    x = 468,261,713,452.07/791,352.14
  6. Step 6: Final answer
    x = 591,723.57

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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.