Home / 485,311.23-669,730.14-270,446.58

Finding the Fourth Proportional to 485,311.23, 669,730.14 and 270,446.58

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Solution

The fourth proportional to 485,311.23, 669,730.14 and 270,446.58 is: 373,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,311.23 : 669,730.14 = 270,446.58 : x
  2. Step 2: Convert to fraction form
    485,311.23/669,730.14 = 270,446.58/x
  3. Step 3: Cross multiply
    485,311.23x = 669,730.14 × 270,446.58
  4. Step 4: Simplify right side
    485,311.23x = 181,126,225,885.92
  5. Step 5: Solve for x
    x = 181,126,225,885.92/485,311.23
  6. Step 6: Final answer
    x = 373,216.64

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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.