Home / 807,443.87-1,210,260.56-327,560.18

Finding the Fourth Proportional to 807,443.87, 1,210,260.56 and 327,560.18

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Solution

The fourth proportional to 807,443.87, 1,210,260.56 and 327,560.18 is: 490,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,443.87 : 1,210,260.56 = 327,560.18 : x
  2. Step 2: Convert to fraction form
    807,443.87/1,210,260.56 = 327,560.18/x
  3. Step 3: Cross multiply
    807,443.87x = 1,210,260.56 × 327,560.18
  4. Step 4: Simplify right side
    807,443.87x = 396,433,159,191.40
  5. Step 5: Solve for x
    x = 396,433,159,191.40/807,443.87
  6. Step 6: Final answer
    x = 490,973.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.