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Finding the Fourth Proportional to 602,650.26, 903,130.29 and 433,374.03

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Solution

The fourth proportional to 602,650.26, 903,130.29 and 433,374.03 is: 649,453.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,650.26 : 903,130.29 = 433,374.03 : x
  2. Step 2: Convert to fraction form
    602,650.26/903,130.29 = 433,374.03/x
  3. Step 3: Cross multiply
    602,650.26x = 903,130.29 × 433,374.03
  4. Step 4: Simplify right side
    602,650.26x = 391,393,213,392.37
  5. Step 5: Solve for x
    x = 391,393,213,392.37/602,650.26
  6. Step 6: Final answer
    x = 649,453.32

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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.