Home / 499,628.40-749,788.20-359,487.60

Finding the Fourth Proportional to 499,628.40, 749,788.20 and 359,487.60

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Solution

The fourth proportional to 499,628.40, 749,788.20 and 359,487.60 is: 539,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,628.40 : 749,788.20 = 359,487.60 : x
  2. Step 2: Convert to fraction form
    499,628.40/749,788.20 = 359,487.60/x
  3. Step 3: Cross multiply
    499,628.40x = 749,788.20 × 359,487.60
  4. Step 4: Simplify right side
    499,628.40x = 269,539,560,526.32
  5. Step 5: Solve for x
    x = 269,539,560,526.32/499,628.40
  6. Step 6: Final answer
    x = 539,480.06

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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.