Home / 806,835.29-1,209,970.58-238,065.39

Finding the Fourth Proportional to 806,835.29, 1,209,970.58 and 238,065.39

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Solution

The fourth proportional to 806,835.29, 1,209,970.58 and 238,065.39 is: 357,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,835.29 : 1,209,970.58 = 238,065.39 : x
  2. Step 2: Convert to fraction form
    806,835.29/1,209,970.58 = 238,065.39/x
  3. Step 3: Cross multiply
    806,835.29x = 1,209,970.58 × 238,065.39
  4. Step 4: Simplify right side
    806,835.29x = 288,052,116,825.90
  5. Step 5: Solve for x
    x = 288,052,116,825.90/806,835.29
  6. Step 6: Final answer
    x = 357,014.77

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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.