Home / 722,347.60-1,082,929.96-272,813.24

Finding the Fourth Proportional to 722,347.60, 1,082,929.96 and 272,813.24

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Solution

The fourth proportional to 722,347.60, 1,082,929.96 and 272,813.24 is: 408,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,347.60 : 1,082,929.96 = 272,813.24 : x
  2. Step 2: Convert to fraction form
    722,347.60/1,082,929.96 = 272,813.24/x
  3. Step 3: Cross multiply
    722,347.60x = 1,082,929.96 × 272,813.24
  4. Step 4: Simplify right side
    722,347.60x = 295,437,631,080.67
  5. Step 5: Solve for x
    x = 295,437,631,080.67/722,347.60
  6. Step 6: Final answer
    x = 408,996.49

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1.5x scale

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.