Home / 791,179.32-1,091,830.29-428,602.26

Finding the Fourth Proportional to 791,179.32, 1,091,830.29 and 428,602.26

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Solution

The fourth proportional to 791,179.32, 1,091,830.29 and 428,602.26 is: 591,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,179.32 : 1,091,830.29 = 428,602.26 : x
  2. Step 2: Convert to fraction form
    791,179.32/1,091,830.29 = 428,602.26/x
  3. Step 3: Cross multiply
    791,179.32x = 1,091,830.29 × 428,602.26
  4. Step 4: Simplify right side
    791,179.32x = 467,960,929,830.46
  5. Step 5: Solve for x
    x = 467,960,929,830.46/791,179.32
  6. Step 6: Final answer
    x = 591,472.65

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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.