Home / 734,967.30-1,102,549.38-261,656.76

Finding the Fourth Proportional to 734,967.30, 1,102,549.38 and 261,656.76

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Solution

The fourth proportional to 734,967.30, 1,102,549.38 and 261,656.76 is: 392,520.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,967.30 : 1,102,549.38 = 261,656.76 : x
  2. Step 2: Convert to fraction form
    734,967.30/1,102,549.38 = 261,656.76/x
  3. Step 3: Cross multiply
    734,967.30x = 1,102,549.38 × 261,656.76
  4. Step 4: Simplify right side
    734,967.30x = 288,489,498,510.81
  5. Step 5: Solve for x
    x = 288,489,498,510.81/734,967.30
  6. Step 6: Final answer
    x = 392,520.18

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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.