Home / 485,443.36-669,914.88-270,596.96

Finding the Fourth Proportional to 485,443.36, 669,914.88 and 270,596.96

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Solution

The fourth proportional to 485,443.36, 669,914.88 and 270,596.96 is: 373,425.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,443.36 : 669,914.88 = 270,596.96 : x
  2. Step 2: Convert to fraction form
    485,443.36/669,914.88 = 270,596.96/x
  3. Step 3: Cross multiply
    485,443.36x = 669,914.88 × 270,596.96
  4. Step 4: Simplify right side
    485,443.36x = 181,276,929,986.77
  5. Step 5: Solve for x
    x = 181,276,929,986.77/485,443.36
  6. Step 6: Final answer
    x = 373,425.50

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1.5x scale

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.