Home / 669,808.70-1,002,935.91-403,203.14

Finding the Fourth Proportional to 669,808.70, 1,002,935.91 and 403,203.14

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Solution

The fourth proportional to 669,808.70, 1,002,935.91 and 403,203.14 is: 603,734.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,808.70 : 1,002,935.91 = 403,203.14 : x
  2. Step 2: Convert to fraction form
    669,808.70/1,002,935.91 = 403,203.14/x
  3. Step 3: Cross multiply
    669,808.70x = 1,002,935.91 × 403,203.14
  4. Step 4: Simplify right side
    669,808.70x = 404,386,908,130.76
  5. Step 5: Solve for x
    x = 404,386,908,130.76/669,808.70
  6. Step 6: Final answer
    x = 603,734.93

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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.