Home / 849,908.43-1,274,862.78-288,942.93

Finding the Fourth Proportional to 849,908.43, 1,274,862.78 and 288,942.93

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Solution

The fourth proportional to 849,908.43, 1,274,862.78 and 288,942.93 is: 433,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,908.43 : 1,274,862.78 = 288,942.93 : x
  2. Step 2: Convert to fraction form
    849,908.43/1,274,862.78 = 288,942.93/x
  3. Step 3: Cross multiply
    849,908.43x = 1,274,862.78 × 288,942.93
  4. Step 4: Simplify right side
    849,908.43x = 368,362,587,001.15
  5. Step 5: Solve for x
    x = 368,362,587,001.15/849,908.43
  6. Step 6: Final answer
    x = 433,414.44

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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.