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Finding the Fourth Proportional to 480,111.96, 662,561.44 and 265,256.96

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Solution

The fourth proportional to 480,111.96, 662,561.44 and 265,256.96 is: 366,058.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,111.96 : 662,561.44 = 265,256.96 : x
  2. Step 2: Convert to fraction form
    480,111.96/662,561.44 = 265,256.96/x
  3. Step 3: Cross multiply
    480,111.96x = 662,561.44 × 265,256.96
  4. Step 4: Simplify right side
    480,111.96x = 175,749,033,387.62
  5. Step 5: Solve for x
    x = 175,749,033,387.62/480,111.96
  6. Step 6: Final answer
    x = 366,058.44

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1.5x scale

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.