Home / 742,635.53-1,113,662.70-262,677.86

Finding the Fourth Proportional to 742,635.53, 1,113,662.70 and 262,677.86

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Solution

The fourth proportional to 742,635.53, 1,113,662.70 and 262,677.86 is: 393,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,635.53 : 1,113,662.70 = 262,677.86 : x
  2. Step 2: Convert to fraction form
    742,635.53/1,113,662.70 = 262,677.86/x
  3. Step 3: Cross multiply
    742,635.53x = 1,113,662.70 × 262,677.86
  4. Step 4: Simplify right side
    742,635.53x = 292,534,534,797.82
  5. Step 5: Solve for x
    x = 292,534,534,797.82/742,635.53
  6. Step 6: Final answer
    x = 393,914.00

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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.