Home / 790,873.55-1,091,403.84-428,296.29

Finding the Fourth Proportional to 790,873.55, 1,091,403.84 and 428,296.29

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Solution

The fourth proportional to 790,873.55, 1,091,403.84 and 428,296.29 is: 591,047.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,873.55 : 1,091,403.84 = 428,296.29 : x
  2. Step 2: Convert to fraction form
    790,873.55/1,091,403.84 = 428,296.29/x
  3. Step 3: Cross multiply
    790,873.55x = 1,091,403.84 × 428,296.29
  4. Step 4: Simplify right side
    790,873.55x = 467,444,216,807.08
  5. Step 5: Solve for x
    x = 467,444,216,807.08/790,873.55
  6. Step 6: Final answer
    x = 591,047.98

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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.