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Finding the Fourth Proportional to 602,761.55, 904,395.35 and 375,247.45

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Solution

The fourth proportional to 602,761.55, 904,395.35 and 375,247.45 is: 563,028.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,761.55 : 904,395.35 = 375,247.45 : x
  2. Step 2: Convert to fraction form
    602,761.55/904,395.35 = 375,247.45/x
  3. Step 3: Cross multiply
    602,761.55x = 904,395.35 × 375,247.45
  4. Step 4: Simplify right side
    602,761.55x = 339,372,047,556.49
  5. Step 5: Solve for x
    x = 339,372,047,556.49/602,761.55
  6. Step 6: Final answer
    x = 563,028.69

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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.