Home / 711,414.51-1,067,123.57-290,690.39

Finding the Fourth Proportional to 711,414.51, 1,067,123.57 and 290,690.39

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Solution

The fourth proportional to 711,414.51, 1,067,123.57 and 290,690.39 is: 436,036.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,414.51 : 1,067,123.57 = 290,690.39 : x
  2. Step 2: Convert to fraction form
    711,414.51/1,067,123.57 = 290,690.39/x
  3. Step 3: Cross multiply
    711,414.51x = 1,067,123.57 × 290,690.39
  4. Step 4: Simplify right side
    711,414.51x = 310,202,559,952.42
  5. Step 5: Solve for x
    x = 310,202,559,952.42/711,414.51
  6. Step 6: Final answer
    x = 436,036.31

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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.