Home / 470,272.30-649,173.94-317,517.18

Finding the Fourth Proportional to 470,272.30, 649,173.94 and 317,517.18

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Solution

The fourth proportional to 470,272.30, 649,173.94 and 317,517.18 is: 438,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,272.30 : 649,173.94 = 317,517.18 : x
  2. Step 2: Convert to fraction form
    470,272.30/649,173.94 = 317,517.18/x
  3. Step 3: Cross multiply
    470,272.30x = 649,173.94 × 317,517.18
  4. Step 4: Simplify right side
    470,272.30x = 206,123,878,758.29
  5. Step 5: Solve for x
    x = 206,123,878,758.29/470,272.30
  6. Step 6: Final answer
    x = 438,307.51

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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.