Home / 470,496.40-649,273.80-255,631.60

Finding the Fourth Proportional to 470,496.40, 649,273.80 and 255,631.60

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Solution

The fourth proportional to 470,496.40, 649,273.80 and 255,631.60 is: 352,765.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,496.40 : 649,273.80 = 255,631.60 : x
  2. Step 2: Convert to fraction form
    470,496.40/649,273.80 = 255,631.60/x
  3. Step 3: Cross multiply
    470,496.40x = 649,273.80 × 255,631.60
  4. Step 4: Simplify right side
    470,496.40x = 165,974,900,332.08
  5. Step 5: Solve for x
    x = 165,974,900,332.08/470,496.40
  6. Step 6: Final answer
    x = 352,765.51

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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.