Home / 849,874.24-1,274,889.28-218,790.08

Finding the Fourth Proportional to 849,874.24, 1,274,889.28 and 218,790.08

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Solution

The fourth proportional to 849,874.24, 1,274,889.28 and 218,790.08 is: 328,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,874.24 : 1,274,889.28 = 218,790.08 : x
  2. Step 2: Convert to fraction form
    849,874.24/1,274,889.28 = 218,790.08/x
  3. Step 3: Cross multiply
    849,874.24x = 1,274,889.28 × 218,790.08
  4. Step 4: Simplify right side
    849,874.24x = 278,933,127,562.34
  5. Step 5: Solve for x
    x = 278,933,127,562.34/849,874.24
  6. Step 6: Final answer
    x = 328,205.18

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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.