Home / 747,037.71-1,030,910.79-407,505.96

Finding the Fourth Proportional to 747,037.71, 1,030,910.79 and 407,505.96

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Solution

The fourth proportional to 747,037.71, 1,030,910.79 and 407,505.96 is: 562,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,037.71 : 1,030,910.79 = 407,505.96 : x
  2. Step 2: Convert to fraction form
    747,037.71/1,030,910.79 = 407,505.96/x
  3. Step 3: Cross multiply
    747,037.71x = 1,030,910.79 × 407,505.96
  4. Step 4: Simplify right side
    747,037.71x = 420,102,291,153.31
  5. Step 5: Solve for x
    x = 420,102,291,153.31/747,037.71
  6. Step 6: Final answer
    x = 562,357.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.