Home / 768,404.02-1,152,475.98-281,986.06

Finding the Fourth Proportional to 768,404.02, 1,152,475.98 and 281,986.06

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Solution

The fourth proportional to 768,404.02, 1,152,475.98 and 281,986.06 is: 422,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,404.02 : 1,152,475.98 = 281,986.06 : x
  2. Step 2: Convert to fraction form
    768,404.02/1,152,475.98 = 281,986.06/x
  3. Step 3: Cross multiply
    768,404.02x = 1,152,475.98 × 281,986.06
  4. Step 4: Simplify right side
    768,404.02x = 324,982,160,844.84
  5. Step 5: Solve for x
    x = 324,982,160,844.84/768,404.02
  6. Step 6: Final answer
    x = 422,931.36

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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.