Home / 849,421.02-1,172,201.17-467,447.80

Finding the Fourth Proportional to 849,421.02, 1,172,201.17 and 467,447.80

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Solution

The fourth proportional to 849,421.02, 1,172,201.17 and 467,447.80 is: 645,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,421.02 : 1,172,201.17 = 467,447.80 : x
  2. Step 2: Convert to fraction form
    849,421.02/1,172,201.17 = 467,447.80/x
  3. Step 3: Cross multiply
    849,421.02x = 1,172,201.17 × 467,447.80
  4. Step 4: Simplify right side
    849,421.02x = 547,942,858,073.93
  5. Step 5: Solve for x
    x = 547,942,858,073.93/849,421.02
  6. Step 6: Final answer
    x = 645,078.05

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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.