Home / 852,776.16-1,278,941.40-253,576.08

Finding the Fourth Proportional to 852,776.16, 1,278,941.40 and 253,576.08

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Solution

The fourth proportional to 852,776.16, 1,278,941.40 and 253,576.08 is: 380,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,776.16 : 1,278,941.40 = 253,576.08 : x
  2. Step 2: Convert to fraction form
    852,776.16/1,278,941.40 = 253,576.08/x
  3. Step 3: Cross multiply
    852,776.16x = 1,278,941.40 × 253,576.08
  4. Step 4: Simplify right side
    852,776.16x = 324,308,946,761.71
  5. Step 5: Solve for x
    x = 324,308,946,761.71/852,776.16
  6. Step 6: Final answer
    x = 380,297.86

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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.