Home / 734,469.20-1,101,703.80-261,688.40

Finding the Fourth Proportional to 734,469.20, 1,101,703.80 and 261,688.40

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Solution

The fourth proportional to 734,469.20, 1,101,703.80 and 261,688.40 is: 392,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,469.20 : 1,101,703.80 = 261,688.40 : x
  2. Step 2: Convert to fraction form
    734,469.20/1,101,703.80 = 261,688.40/x
  3. Step 3: Cross multiply
    734,469.20x = 1,101,703.80 × 261,688.40
  4. Step 4: Simplify right side
    734,469.20x = 288,303,104,695.92
  5. Step 5: Solve for x
    x = 288,303,104,695.92/734,469.20
  6. Step 6: Final answer
    x = 392,532.60

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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.