Home / 499,400.10-749,633.23-215,230.89

Finding the Fourth Proportional to 499,400.10, 749,633.23 and 215,230.89

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Solution

The fourth proportional to 499,400.10, 749,633.23 and 215,230.89 is: 323,076.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,400.10 : 749,633.23 = 215,230.89 : x
  2. Step 2: Convert to fraction form
    499,400.10/749,633.23 = 215,230.89/x
  3. Step 3: Cross multiply
    499,400.10x = 749,633.23 × 215,230.89
  4. Step 4: Simplify right side
    499,400.10x = 161,344,222,980.23
  5. Step 5: Solve for x
    x = 161,344,222,980.23/499,400.10
  6. Step 6: Final answer
    x = 323,076.07

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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.