Home / 734,117.10-1,100,916.45-260,817.90

Finding the Fourth Proportional to 734,117.10, 1,100,916.45 and 260,817.90

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Solution

The fourth proportional to 734,117.10, 1,100,916.45 and 260,817.90 is: 391,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,117.10 : 1,100,916.45 = 260,817.90 : x
  2. Step 2: Convert to fraction form
    734,117.10/1,100,916.45 = 260,817.90/x
  3. Step 3: Cross multiply
    734,117.10x = 1,100,916.45 × 260,817.90
  4. Step 4: Simplify right side
    734,117.10x = 287,138,716,564.46
  5. Step 5: Solve for x
    x = 287,138,716,564.46/734,117.10
  6. Step 6: Final answer
    x = 391,134.76

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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.