Home / 849,893.65-1,172,851.11-467,920.42

Finding the Fourth Proportional to 849,893.65, 1,172,851.11 and 467,920.42

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Solution

The fourth proportional to 849,893.65, 1,172,851.11 and 467,920.42 is: 645,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,893.65 : 1,172,851.11 = 467,920.42 : x
  2. Step 2: Convert to fraction form
    849,893.65/1,172,851.11 = 467,920.42/x
  3. Step 3: Cross multiply
    849,893.65x = 1,172,851.11 × 467,920.42
  4. Step 4: Simplify right side
    849,893.65x = 548,800,981,056.54
  5. Step 5: Solve for x
    x = 548,800,981,056.54/849,893.65
  6. Step 6: Final answer
    x = 645,729.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.