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Finding the Fourth Proportional to 507,429.38, 700,252.48 and 303,480.27

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Solution

The fourth proportional to 507,429.38, 700,252.48 and 303,480.27 is: 418,802.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,429.38 : 700,252.48 = 303,480.27 : x
  2. Step 2: Convert to fraction form
    507,429.38/700,252.48 = 303,480.27/x
  3. Step 3: Cross multiply
    507,429.38x = 700,252.48 × 303,480.27
  4. Step 4: Simplify right side
    507,429.38x = 212,512,811,698.57
  5. Step 5: Solve for x
    x = 212,512,811,698.57/507,429.38
  6. Step 6: Final answer
    x = 418,802.73

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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.