Home / 791,330.88-1,092,032.64-428,752.20

Finding the Fourth Proportional to 791,330.88, 1,092,032.64 and 428,752.20

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Solution

The fourth proportional to 791,330.88, 1,092,032.64 and 428,752.20 is: 591,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,330.88 : 1,092,032.64 = 428,752.20 : x
  2. Step 2: Convert to fraction form
    791,330.88/1,092,032.64 = 428,752.20/x
  3. Step 3: Cross multiply
    791,330.88x = 1,092,032.64 × 428,752.20
  4. Step 4: Simplify right side
    791,330.88x = 468,211,396,871.81
  5. Step 5: Solve for x
    x = 468,211,396,871.81/791,330.88
  6. Step 6: Final answer
    x = 591,675.88

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Double scale
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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.