Home / 480,919.20-663,631.92-266,054.67

Finding the Fourth Proportional to 480,919.20, 663,631.92 and 266,054.67

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Solution

The fourth proportional to 480,919.20, 663,631.92 and 266,054.67 is: 367,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,919.20 : 663,631.92 = 266,054.67 : x
  2. Step 2: Convert to fraction form
    480,919.20/663,631.92 = 266,054.67/x
  3. Step 3: Cross multiply
    480,919.20x = 663,631.92 × 266,054.67
  4. Step 4: Simplify right side
    480,919.20x = 176,562,371,477.07
  5. Step 5: Solve for x
    x = 176,562,371,477.07/480,919.20
  6. Step 6: Final answer
    x = 367,135.21

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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.