Home / 500,421.89-749,914.07-284,452.22

Finding the Fourth Proportional to 500,421.89, 749,914.07 and 284,452.22

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Solution

The fourth proportional to 500,421.89, 749,914.07 and 284,452.22 is: 426,269.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,421.89 : 749,914.07 = 284,452.22 : x
  2. Step 2: Convert to fraction form
    500,421.89/749,914.07 = 284,452.22/x
  3. Step 3: Cross multiply
    500,421.89x = 749,914.07 × 284,452.22
  4. Step 4: Simplify right side
    500,421.89x = 213,314,722,473.26
  5. Step 5: Solve for x
    x = 213,314,722,473.26/500,421.89
  6. Step 6: Final answer
    x = 426,269.76

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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.