Home / 734,961.60-1,102,442.40-641,649.60

Finding the Fourth Proportional to 734,961.60, 1,102,442.40 and 641,649.60

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Solution

The fourth proportional to 734,961.60, 1,102,442.40 and 641,649.60 is: 962,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,961.60 : 1,102,442.40 = 641,649.60 : x
  2. Step 2: Convert to fraction form
    734,961.60/1,102,442.40 = 641,649.60/x
  3. Step 3: Cross multiply
    734,961.60x = 1,102,442.40 × 641,649.60
  4. Step 4: Simplify right side
    734,961.60x = 707,381,724,983.04
  5. Step 5: Solve for x
    x = 707,381,724,983.04/734,961.60
  6. Step 6: Final answer
    x = 962,474.40

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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.