Home / 790,695.32-1,091,160.05-428,119.43

Finding the Fourth Proportional to 790,695.32, 1,091,160.05 and 428,119.43

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Solution

The fourth proportional to 790,695.32, 1,091,160.05 and 428,119.43 is: 590,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,695.32 : 1,091,160.05 = 428,119.43 : x
  2. Step 2: Convert to fraction form
    790,695.32/1,091,160.05 = 428,119.43/x
  3. Step 3: Cross multiply
    790,695.32x = 1,091,160.05 × 428,119.43
  4. Step 4: Simplify right side
    790,695.32x = 467,146,811,048.37
  5. Step 5: Solve for x
    x = 467,146,811,048.37/790,695.32
  6. Step 6: Final answer
    x = 590,805.08

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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.