Home / 499,531.70-749,297.55-331,570.10

Finding the Fourth Proportional to 499,531.70, 749,297.55 and 331,570.10

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Solution

The fourth proportional to 499,531.70, 749,297.55 and 331,570.10 is: 497,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,531.70 : 749,297.55 = 331,570.10 : x
  2. Step 2: Convert to fraction form
    499,531.70/749,297.55 = 331,570.10/x
  3. Step 3: Cross multiply
    499,531.70x = 749,297.55 × 331,570.10
  4. Step 4: Simplify right side
    499,531.70x = 248,444,663,583.26
  5. Step 5: Solve for x
    x = 248,444,663,583.26/499,531.70
  6. Step 6: Final answer
    x = 497,355.15

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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.