Home / 849,422.02-1,172,202.56-467,448.80

Finding the Fourth Proportional to 849,422.02, 1,172,202.56 and 467,448.80

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Solution

The fourth proportional to 849,422.02, 1,172,202.56 and 467,448.80 is: 645,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,422.02 : 1,172,202.56 = 467,448.80 : x
  2. Step 2: Convert to fraction form
    849,422.02/1,172,202.56 = 467,448.80/x
  3. Step 3: Cross multiply
    849,422.02x = 1,172,202.56 × 467,448.80
  4. Step 4: Simplify right side
    849,422.02x = 547,944,680,028.93
  5. Step 5: Solve for x
    x = 547,944,680,028.93/849,422.02
  6. Step 6: Final answer
    x = 645,079.44

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Double scale
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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.