Home / 484,922.16-669,011.66-484,174.53

Finding the Fourth Proportional to 484,922.16, 669,011.66 and 484,174.53

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Solution

The fourth proportional to 484,922.16, 669,011.66 and 484,174.53 is: 667,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,922.16 : 669,011.66 = 484,174.53 : x
  2. Step 2: Convert to fraction form
    484,922.16/669,011.66 = 484,174.53/x
  3. Step 3: Cross multiply
    484,922.16x = 669,011.66 × 484,174.53
  4. Step 4: Simplify right side
    484,922.16x = 323,918,410,672.08
  5. Step 5: Solve for x
    x = 323,918,410,672.08/484,922.16
  6. Step 6: Final answer
    x = 667,980.21

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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.