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Finding the Fourth Proportional to 501,453.08, 691,241.52 and 424,689.38

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Solution

The fourth proportional to 501,453.08, 691,241.52 and 424,689.38 is: 585,424.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,453.08 : 691,241.52 = 424,689.38 : x
  2. Step 2: Convert to fraction form
    501,453.08/691,241.52 = 424,689.38/x
  3. Step 3: Cross multiply
    501,453.08x = 691,241.52 × 424,689.38
  4. Step 4: Simplify right side
    501,453.08x = 293,562,932,559.06
  5. Step 5: Solve for x
    x = 293,562,932,559.06/501,453.08
  6. Step 6: Final answer
    x = 585,424.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.