Home / 669,216.20-1,002,938.22-490,888.20

Finding the Fourth Proportional to 669,216.20, 1,002,938.22 and 490,888.20

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Solution

The fourth proportional to 669,216.20, 1,002,938.22 and 490,888.20 is: 735,682.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,216.20 : 1,002,938.22 = 490,888.20 : x
  2. Step 2: Convert to fraction form
    669,216.20/1,002,938.22 = 490,888.20/x
  3. Step 3: Cross multiply
    669,216.20x = 1,002,938.22 × 490,888.20
  4. Step 4: Simplify right side
    669,216.20x = 492,330,537,527.00
  5. Step 5: Solve for x
    x = 492,330,537,527.00/669,216.20
  6. Step 6: Final answer
    x = 735,682.34

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Double scale
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1.5x scale

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.