Home / 791,223.47-1,091,888.84-428,649.85

Finding the Fourth Proportional to 791,223.47, 1,091,888.84 and 428,649.85

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Solution

The fourth proportional to 791,223.47, 1,091,888.84 and 428,649.85 is: 591,537.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,223.47 : 1,091,888.84 = 428,649.85 : x
  2. Step 2: Convert to fraction form
    791,223.47/1,091,888.84 = 428,649.85/x
  3. Step 3: Cross multiply
    791,223.47x = 1,091,888.84 × 428,649.85
  4. Step 4: Simplify right side
    791,223.47x = 468,037,989,919.16
  5. Step 5: Solve for x
    x = 468,037,989,919.16/791,223.47
  6. Step 6: Final answer
    x = 591,537.04

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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.