Home / 611,873.08-844,379.28-339,941.50

Finding the Fourth Proportional to 611,873.08, 844,379.28 and 339,941.50

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Solution

The fourth proportional to 611,873.08, 844,379.28 and 339,941.50 is: 469,116.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,873.08 : 844,379.28 = 339,941.50 : x
  2. Step 2: Convert to fraction form
    611,873.08/844,379.28 = 339,941.50/x
  3. Step 3: Cross multiply
    611,873.08x = 844,379.28 × 339,941.50
  4. Step 4: Simplify right side
    611,873.08x = 287,039,559,012.12
  5. Step 5: Solve for x
    x = 287,039,559,012.12/611,873.08
  6. Step 6: Final answer
    x = 469,116.18

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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.