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Finding the Fourth Proportional to 480,033.71, 662,420.93 and 276,052.22

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Solution

The fourth proportional to 480,033.71, 662,420.93 and 276,052.22 is: 380,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,033.71 : 662,420.93 = 276,052.22 : x
  2. Step 2: Convert to fraction form
    480,033.71/662,420.93 = 276,052.22/x
  3. Step 3: Cross multiply
    480,033.71x = 662,420.93 × 276,052.22
  4. Step 4: Simplify right side
    480,033.71x = 182,862,763,608.60
  5. Step 5: Solve for x
    x = 182,862,763,608.60/480,033.71
  6. Step 6: Final answer
    x = 380,937.34

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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.