Home / 989,724.30-1,365,835.41-537,015.30

Finding the Fourth Proportional to 989,724.30, 1,365,835.41 and 537,015.30

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Solution

The fourth proportional to 989,724.30, 1,365,835.41 and 537,015.30 is: 741,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,724.30 : 1,365,835.41 = 537,015.30 : x
  2. Step 2: Convert to fraction form
    989,724.30/1,365,835.41 = 537,015.30/x
  3. Step 3: Cross multiply
    989,724.30x = 1,365,835.41 × 537,015.30
  4. Step 4: Simplify right side
    989,724.30x = 733,474,512,451.77
  5. Step 5: Solve for x
    x = 733,474,512,451.77/989,724.30
  6. Step 6: Final answer
    x = 741,089.73

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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.