Home / 688,957.50-1,033,297.41-432,675.60

Finding the Fourth Proportional to 688,957.50, 1,033,297.41 and 432,675.60

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Solution

The fourth proportional to 688,957.50, 1,033,297.41 and 432,675.60 is: 648,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,957.50 : 1,033,297.41 = 432,675.60 : x
  2. Step 2: Convert to fraction form
    688,957.50/1,033,297.41 = 432,675.60/x
  3. Step 3: Cross multiply
    688,957.50x = 1,033,297.41 × 432,675.60
  4. Step 4: Simplify right side
    688,957.50x = 447,082,576,850.20
  5. Step 5: Solve for x
    x = 447,082,576,850.20/688,957.50
  6. Step 6: Final answer
    x = 648,926.21

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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.