Home / 849,675.11-1,172,414.45-487,032.23

Finding the Fourth Proportional to 849,675.11, 1,172,414.45 and 487,032.23

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Solution

The fourth proportional to 849,675.11, 1,172,414.45 and 487,032.23 is: 672,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,675.11 : 1,172,414.45 = 487,032.23 : x
  2. Step 2: Convert to fraction form
    849,675.11/1,172,414.45 = 487,032.23/x
  3. Step 3: Cross multiply
    849,675.11x = 1,172,414.45 × 487,032.23
  4. Step 4: Simplify right side
    849,675.11x = 571,003,629,044.84
  5. Step 5: Solve for x
    x = 571,003,629,044.84/849,675.11
  6. Step 6: Final answer
    x = 672,025.84

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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.