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Finding the Fourth Proportional to 480,378.10, 662,910.22 and 262,577

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Solution

The fourth proportional to 480,378.10, 662,910.22 and 262,577 is: 362,349.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,378.10 : 662,910.22 = 262,577 : x
  2. Step 2: Convert to fraction form
    480,378.10/662,910.22 = 262,577/x
  3. Step 3: Cross multiply
    480,378.10x = 662,910.22 × 262,577
  4. Step 4: Simplify right side
    480,378.10x = 174,064,975,524.06
  5. Step 5: Solve for x
    x = 174,064,975,524.06/480,378.10
  6. Step 6: Final answer
    x = 362,349.94

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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.