Home / 762,503.13-1,143,762.91-230,028.77

Finding the Fourth Proportional to 762,503.13, 1,143,762.91 and 230,028.77

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Solution

The fourth proportional to 762,503.13, 1,143,762.91 and 230,028.77 is: 345,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,503.13 : 1,143,762.91 = 230,028.77 : x
  2. Step 2: Convert to fraction form
    762,503.13/1,143,762.91 = 230,028.77/x
  3. Step 3: Cross multiply
    762,503.13x = 1,143,762.91 × 230,028.77
  4. Step 4: Simplify right side
    762,503.13x = 263,098,377,643.26
  5. Step 5: Solve for x
    x = 263,098,377,643.26/762,503.13
  6. Step 6: Final answer
    x = 345,045.64

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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.