Home / 849,842.28-1,274,766.54-317,357.64

Finding the Fourth Proportional to 849,842.28, 1,274,766.54 and 317,357.64

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Solution

The fourth proportional to 849,842.28, 1,274,766.54 and 317,357.64 is: 476,037.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,842.28 : 1,274,766.54 = 317,357.64 : x
  2. Step 2: Convert to fraction form
    849,842.28/1,274,766.54 = 317,357.64/x
  3. Step 3: Cross multiply
    849,842.28x = 1,274,766.54 × 317,357.64
  4. Step 4: Simplify right side
    849,842.28x = 404,556,900,685.37
  5. Step 5: Solve for x
    x = 404,556,900,685.37/849,842.28
  6. Step 6: Final answer
    x = 476,037.63

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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.