Home / 849,840.78-1,274,764.29-317,356.14

Finding the Fourth Proportional to 849,840.78, 1,274,764.29 and 317,356.14

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Solution

The fourth proportional to 849,840.78, 1,274,764.29 and 317,356.14 is: 476,035.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,840.78 : 1,274,764.29 = 317,356.14 : x
  2. Step 2: Convert to fraction form
    849,840.78/1,274,764.29 = 317,356.14/x
  3. Step 3: Cross multiply
    849,840.78x = 1,274,764.29 × 317,356.14
  4. Step 4: Simplify right side
    849,840.78x = 404,554,274,484.24
  5. Step 5: Solve for x
    x = 404,554,274,484.24/849,840.78
  6. Step 6: Final answer
    x = 476,035.38

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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.