Home / 589,333.81-813,067.33-385,501.09

Finding the Fourth Proportional to 589,333.81, 813,067.33 and 385,501.09

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Solution

The fourth proportional to 589,333.81, 813,067.33 and 385,501.09 is: 531,851.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,333.81 : 813,067.33 = 385,501.09 : x
  2. Step 2: Convert to fraction form
    589,333.81/813,067.33 = 385,501.09/x
  3. Step 3: Cross multiply
    589,333.81x = 813,067.33 × 385,501.09
  4. Step 4: Simplify right side
    589,333.81x = 313,438,340,030.88
  5. Step 5: Solve for x
    x = 313,438,340,030.88/589,333.81
  6. Step 6: Final answer
    x = 531,851.96

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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.