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Finding the Fourth Proportional to 501,506.16, 691,896.88 and 329,516.76

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Solution

The fourth proportional to 501,506.16, 691,896.88 and 329,516.76 is: 454,613.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,506.16 : 691,896.88 = 329,516.76 : x
  2. Step 2: Convert to fraction form
    501,506.16/691,896.88 = 329,516.76/x
  3. Step 3: Cross multiply
    501,506.16x = 691,896.88 × 329,516.76
  4. Step 4: Simplify right side
    501,506.16x = 227,991,618,151.71
  5. Step 5: Solve for x
    x = 227,991,618,151.71/501,506.16
  6. Step 6: Final answer
    x = 454,613.79

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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.