Home / 790,858.29-1,091,382.76-428,281.03

Finding the Fourth Proportional to 790,858.29, 1,091,382.76 and 428,281.03

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Solution

The fourth proportional to 790,858.29, 1,091,382.76 and 428,281.03 is: 591,026.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,858.29 : 1,091,382.76 = 428,281.03 : x
  2. Step 2: Convert to fraction form
    790,858.29/1,091,382.76 = 428,281.03/x
  3. Step 3: Cross multiply
    790,858.29x = 1,091,382.76 × 428,281.03
  4. Step 4: Simplify right side
    790,858.29x = 467,418,532,577.04
  5. Step 5: Solve for x
    x = 467,418,532,577.04/790,858.29
  6. Step 6: Final answer
    x = 591,026.91

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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.