Home / 790,616.24-1,091,051.12-428,040.36

Finding the Fourth Proportional to 790,616.24, 1,091,051.12 and 428,040.36

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Solution

The fourth proportional to 790,616.24, 1,091,051.12 and 428,040.36 is: 590,696.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,616.24 : 1,091,051.12 = 428,040.36 : x
  2. Step 2: Convert to fraction form
    790,616.24/1,091,051.12 = 428,040.36/x
  3. Step 3: Cross multiply
    790,616.24x = 1,091,051.12 × 428,040.36
  4. Step 4: Simplify right side
    790,616.24x = 467,013,914,183.20
  5. Step 5: Solve for x
    x = 467,013,914,183.20/790,616.24
  6. Step 6: Final answer
    x = 590,696.08

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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.