Home / 806,828.81-1,210,374.56-238,267.42

Finding the Fourth Proportional to 806,828.81, 1,210,374.56 and 238,267.42

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Solution

The fourth proportional to 806,828.81, 1,210,374.56 and 238,267.42 is: 357,439.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,828.81 : 1,210,374.56 = 238,267.42 : x
  2. Step 2: Convert to fraction form
    806,828.81/1,210,374.56 = 238,267.42/x
  3. Step 3: Cross multiply
    806,828.81x = 1,210,374.56 × 238,267.42
  4. Step 4: Simplify right side
    806,828.81x = 288,392,821,214.57
  5. Step 5: Solve for x
    x = 288,392,821,214.57/806,828.81
  6. Step 6: Final answer
    x = 357,439.92

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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.