Home / 852,783.66-1,278,952.65-253,583.58

Finding the Fourth Proportional to 852,783.66, 1,278,952.65 and 253,583.58

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Solution

The fourth proportional to 852,783.66, 1,278,952.65 and 253,583.58 is: 380,309.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,783.66 : 1,278,952.65 = 253,583.58 : x
  2. Step 2: Convert to fraction form
    852,783.66/1,278,952.65 = 253,583.58/x
  3. Step 3: Cross multiply
    852,783.66x = 1,278,952.65 × 253,583.58
  4. Step 4: Simplify right side
    852,783.66x = 324,321,391,637.49
  5. Step 5: Solve for x
    x = 324,321,391,637.49/852,783.66
  6. Step 6: Final answer
    x = 380,309.11

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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.