Home / 669,966.18-1,004,733.30-220,580.05

Finding the Fourth Proportional to 669,966.18, 1,004,733.30 and 220,580.05

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Solution

The fourth proportional to 669,966.18, 1,004,733.30 and 220,580.05 is: 330,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,966.18 : 1,004,733.30 = 220,580.05 : x
  2. Step 2: Convert to fraction form
    669,966.18/1,004,733.30 = 220,580.05/x
  3. Step 3: Cross multiply
    669,966.18x = 1,004,733.30 × 220,580.05
  4. Step 4: Simplify right side
    669,966.18x = 221,624,121,550.67
  5. Step 5: Solve for x
    x = 221,624,121,550.67/669,966.18
  6. Step 6: Final answer
    x = 330,798.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.