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Finding the Fourth Proportional to 500,969.63, 691,340.52 and 299,765.63

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Solution

The fourth proportional to 500,969.63, 691,340.52 and 299,765.63 is: 413,678.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,969.63 : 691,340.52 = 299,765.63 : x
  2. Step 2: Convert to fraction form
    500,969.63/691,340.52 = 299,765.63/x
  3. Step 3: Cross multiply
    500,969.63x = 691,340.52 × 299,765.63
  4. Step 4: Simplify right side
    500,969.63x = 207,240,123,065.63
  5. Step 5: Solve for x
    x = 207,240,123,065.63/500,969.63
  6. Step 6: Final answer
    x = 413,678.02

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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.