Home / 499,038.90-749,028.15-262,551.30

Finding the Fourth Proportional to 499,038.90, 749,028.15 and 262,551.30

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Solution

The fourth proportional to 499,038.90, 749,028.15 and 262,551.30 is: 394,074.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,038.90 : 749,028.15 = 262,551.30 : x
  2. Step 2: Convert to fraction form
    499,038.90/749,028.15 = 262,551.30/x
  3. Step 3: Cross multiply
    499,038.90x = 749,028.15 × 262,551.30
  4. Step 4: Simplify right side
    499,038.90x = 196,658,314,519.10
  5. Step 5: Solve for x
    x = 196,658,314,519.10/499,038.90
  6. Step 6: Final answer
    x = 394,074.12

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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.