Home / 699,287.02-965,101.46-393,376.30

Finding the Fourth Proportional to 699,287.02, 965,101.46 and 393,376.30

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Solution

The fourth proportional to 699,287.02, 965,101.46 and 393,376.30 is: 542,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,287.02 : 965,101.46 = 393,376.30 : x
  2. Step 2: Convert to fraction form
    699,287.02/965,101.46 = 393,376.30/x
  3. Step 3: Cross multiply
    699,287.02x = 965,101.46 × 393,376.30
  4. Step 4: Simplify right side
    699,287.02x = 379,648,038,186.13
  5. Step 5: Solve for x
    x = 379,648,038,186.13/699,287.02
  6. Step 6: Final answer
    x = 542,907.31

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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.