Home / 480,379.10-662,905.46-276,461.39

Finding the Fourth Proportional to 480,379.10, 662,905.46 and 276,461.39

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Solution

The fourth proportional to 480,379.10, 662,905.46 and 276,461.39 is: 381,506.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,379.10 : 662,905.46 = 276,461.39 : x
  2. Step 2: Convert to fraction form
    480,379.10/662,905.46 = 276,461.39/x
  3. Step 3: Cross multiply
    480,379.10x = 662,905.46 × 276,461.39
  4. Step 4: Simplify right side
    480,379.10x = 183,267,760,213.36
  5. Step 5: Solve for x
    x = 183,267,760,213.36/480,379.10
  6. Step 6: Final answer
    x = 381,506.53

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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.