Home / 727,302.48-1,003,987.08-488,976.72

Finding the Fourth Proportional to 727,302.48, 1,003,987.08 and 488,976.72

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Solution

The fourth proportional to 727,302.48, 1,003,987.08 and 488,976.72 is: 674,996.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,302.48 : 1,003,987.08 = 488,976.72 : x
  2. Step 2: Convert to fraction form
    727,302.48/1,003,987.08 = 488,976.72/x
  3. Step 3: Cross multiply
    727,302.48x = 1,003,987.08 × 488,976.72
  4. Step 4: Simplify right side
    727,302.48x = 490,926,309,300.78
  5. Step 5: Solve for x
    x = 490,926,309,300.78/727,302.48
  6. Step 6: Final answer
    x = 674,996.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.