Home / 734,447.76-1,100,966.88-260,874.72

Finding the Fourth Proportional to 734,447.76, 1,100,966.88 and 260,874.72

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Solution

The fourth proportional to 734,447.76, 1,100,966.88 and 260,874.72 is: 391,061.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,447.76 : 1,100,966.88 = 260,874.72 : x
  2. Step 2: Convert to fraction form
    734,447.76/1,100,966.88 = 260,874.72/x
  3. Step 3: Cross multiply
    734,447.76x = 1,100,966.88 × 260,874.72
  4. Step 4: Simplify right side
    734,447.76x = 287,214,426,549.27
  5. Step 5: Solve for x
    x = 287,214,426,549.27/734,447.76
  6. Step 6: Final answer
    x = 391,061.75

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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.