Home / 734,968.30-1,102,550.88-261,657.76

Finding the Fourth Proportional to 734,968.30, 1,102,550.88 and 261,657.76

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Solution

The fourth proportional to 734,968.30, 1,102,550.88 and 261,657.76 is: 392,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,968.30 : 1,102,550.88 = 261,657.76 : x
  2. Step 2: Convert to fraction form
    734,968.30/1,102,550.88 = 261,657.76/x
  3. Step 3: Cross multiply
    734,968.30x = 1,102,550.88 × 261,657.76
  4. Step 4: Simplify right side
    734,968.30x = 288,490,993,546.83
  5. Step 5: Solve for x
    x = 288,490,993,546.83/734,968.30
  6. Step 6: Final answer
    x = 392,521.68

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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.