Home / 768,567.13-1,152,864.36-236,092.78

Finding the Fourth Proportional to 768,567.13, 1,152,864.36 and 236,092.78

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Solution

The fourth proportional to 768,567.13, 1,152,864.36 and 236,092.78 is: 354,143.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,567.13 : 1,152,864.36 = 236,092.78 : x
  2. Step 2: Convert to fraction form
    768,567.13/1,152,864.36 = 236,092.78/x
  3. Step 3: Cross multiply
    768,567.13x = 1,152,864.36 × 236,092.78
  4. Step 4: Simplify right side
    768,567.13x = 272,182,951,715.32
  5. Step 5: Solve for x
    x = 272,182,951,715.32/768,567.13
  6. Step 6: Final answer
    x = 354,143.37

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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.