Home / 485,384.03-669,852.78-270,525.59

Finding the Fourth Proportional to 485,384.03, 669,852.78 and 270,525.59

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Solution

The fourth proportional to 485,384.03, 669,852.78 and 270,525.59 is: 373,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,384.03 : 669,852.78 = 270,525.59 : x
  2. Step 2: Convert to fraction form
    485,384.03/669,852.78 = 270,525.59/x
  3. Step 3: Cross multiply
    485,384.03x = 669,852.78 × 270,525.59
  4. Step 4: Simplify right side
    485,384.03x = 181,212,318,522.64
  5. Step 5: Solve for x
    x = 181,212,318,522.64/485,384.03
  6. Step 6: Final answer
    x = 373,338.03

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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.