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Finding the Fourth Proportional to 603,506.33, 904,063.92 and 413,499.77

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Solution

The fourth proportional to 603,506.33, 904,063.92 and 413,499.77 is: 619,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,506.33 : 904,063.92 = 413,499.77 : x
  2. Step 2: Convert to fraction form
    603,506.33/904,063.92 = 413,499.77/x
  3. Step 3: Cross multiply
    603,506.33x = 904,063.92 × 413,499.77
  4. Step 4: Simplify right side
    603,506.33x = 373,830,220,304.59
  5. Step 5: Solve for x
    x = 373,830,220,304.59/603,506.33
  6. Step 6: Final answer
    x = 619,430.49

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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.