Home / 849,902.40-1,274,727.24-317,356.56

Finding the Fourth Proportional to 849,902.40, 1,274,727.24 and 317,356.56

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Solution

The fourth proportional to 849,902.40, 1,274,727.24 and 317,356.56 is: 475,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,902.40 : 1,274,727.24 = 317,356.56 : x
  2. Step 2: Convert to fraction form
    849,902.40/1,274,727.24 = 317,356.56/x
  3. Step 3: Cross multiply
    849,902.40x = 1,274,727.24 × 317,356.56
  4. Step 4: Simplify right side
    849,902.40x = 404,543,051,824.69
  5. Step 5: Solve for x
    x = 404,543,051,824.69/849,902.40
  6. Step 6: Final answer
    x = 475,987.66

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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.