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Finding the Fourth Proportional to 619,988.77, 930,327.61 and 335,675.13

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Solution

The fourth proportional to 619,988.77, 930,327.61 and 335,675.13 is: 503,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,988.77 : 930,327.61 = 335,675.13 : x
  2. Step 2: Convert to fraction form
    619,988.77/930,327.61 = 335,675.13/x
  3. Step 3: Cross multiply
    619,988.77x = 930,327.61 × 335,675.13
  4. Step 4: Simplify right side
    619,988.77x = 312,287,841,429.34
  5. Step 5: Solve for x
    x = 312,287,841,429.34/619,988.77
  6. Step 6: Final answer
    x = 503,699.19

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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.