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Finding the Fourth Proportional to 499,512.30, 749,268.45 and 496,401.90

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Solution

The fourth proportional to 499,512.30, 749,268.45 and 496,401.90 is: 744,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,512.30 : 749,268.45 = 496,401.90 : x
  2. Step 2: Convert to fraction form
    499,512.30/749,268.45 = 496,401.90/x
  3. Step 3: Cross multiply
    499,512.30x = 749,268.45 × 496,401.90
  4. Step 4: Simplify right side
    499,512.30x = 371,938,282,190.06
  5. Step 5: Solve for x
    x = 371,938,282,190.06/499,512.30
  6. Step 6: Final answer
    x = 744,602.85

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1.5x scale

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.