Home / 768,740.48-1,153,220.97-236,306.21

Finding the Fourth Proportional to 768,740.48, 1,153,220.97 and 236,306.21

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Solution

The fourth proportional to 768,740.48, 1,153,220.97 and 236,306.21 is: 354,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,740.48 : 1,153,220.97 = 236,306.21 : x
  2. Step 2: Convert to fraction form
    768,740.48/1,153,220.97 = 236,306.21/x
  3. Step 3: Cross multiply
    768,740.48x = 1,153,220.97 × 236,306.21
  4. Step 4: Simplify right side
    768,740.48x = 272,513,276,713.22
  5. Step 5: Solve for x
    x = 272,513,276,713.22/768,740.48
  6. Step 6: Final answer
    x = 354,493.21

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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.