Home / 669,188.17-1,002,896.25-490,860.19

Finding the Fourth Proportional to 669,188.17, 1,002,896.25 and 490,860.19

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Solution

The fourth proportional to 669,188.17, 1,002,896.25 and 490,860.19 is: 735,640.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,188.17 : 1,002,896.25 = 490,860.19 : x
  2. Step 2: Convert to fraction form
    669,188.17/1,002,896.25 = 490,860.19/x
  3. Step 3: Cross multiply
    669,188.17x = 1,002,896.25 × 490,860.19
  4. Step 4: Simplify right side
    669,188.17x = 492,281,843,825.29
  5. Step 5: Solve for x
    x = 492,281,843,825.29/669,188.17
  6. Step 6: Final answer
    x = 735,640.39

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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.