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Finding the Fourth Proportional to 507,042.19, 699,513.29 and 292,067.11

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Solution

The fourth proportional to 507,042.19, 699,513.29 and 292,067.11 is: 402,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,042.19 : 699,513.29 = 292,067.11 : x
  2. Step 2: Convert to fraction form
    507,042.19/699,513.29 = 292,067.11/x
  3. Step 3: Cross multiply
    507,042.19x = 699,513.29 × 292,067.11
  4. Step 4: Simplify right side
    507,042.19x = 204,304,821,807.77
  5. Step 5: Solve for x
    x = 204,304,821,807.77/507,042.19
  6. Step 6: Final answer
    x = 402,934.56

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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.