Home / 790,807.44-1,091,319.40-428,231.32

Finding the Fourth Proportional to 790,807.44, 1,091,319.40 and 428,231.32

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Solution

The fourth proportional to 790,807.44, 1,091,319.40 and 428,231.32 is: 590,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,807.44 : 1,091,319.40 = 428,231.32 : x
  2. Step 2: Convert to fraction form
    790,807.44/1,091,319.40 = 428,231.32/x
  3. Step 3: Cross multiply
    790,807.44x = 1,091,319.40 × 428,231.32
  4. Step 4: Simplify right side
    790,807.44x = 467,337,147,203.61
  5. Step 5: Solve for x
    x = 467,337,147,203.61/790,807.44
  6. Step 6: Final answer
    x = 590,962.00

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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.