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Finding the Fourth Proportional to 560,937.82, 774,091.11 and 306,287.20

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Solution

The fourth proportional to 560,937.82, 774,091.11 and 306,287.20 is: 422,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,937.82 : 774,091.11 = 306,287.20 : x
  2. Step 2: Convert to fraction form
    560,937.82/774,091.11 = 306,287.20/x
  3. Step 3: Cross multiply
    560,937.82x = 774,091.11 × 306,287.20
  4. Step 4: Simplify right side
    560,937.82x = 237,094,198,626.79
  5. Step 5: Solve for x
    x = 237,094,198,626.79/560,937.82
  6. Step 6: Final answer
    x = 422,674.65

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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.