Home / 706,175.20-1,057,880.40-424,856.80

Finding the Fourth Proportional to 706,175.20, 1,057,880.40 and 424,856.80

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Solution

The fourth proportional to 706,175.20, 1,057,880.40 and 424,856.80 is: 636,453.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,175.20 : 1,057,880.40 = 424,856.80 : x
  2. Step 2: Convert to fraction form
    706,175.20/1,057,880.40 = 424,856.80/x
  3. Step 3: Cross multiply
    706,175.20x = 1,057,880.40 × 424,856.80
  4. Step 4: Simplify right side
    706,175.20x = 449,447,681,526.72
  5. Step 5: Solve for x
    x = 449,447,681,526.72/706,175.20
  6. Step 6: Final answer
    x = 636,453.51

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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.