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Finding the Fourth Proportional to 480,257.48, 662,806.62 and 276,317.32

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Solution

The fourth proportional to 480,257.48, 662,806.62 and 276,317.32 is: 381,347.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,257.48 : 662,806.62 = 276,317.32 : x
  2. Step 2: Convert to fraction form
    480,257.48/662,806.62 = 276,317.32/x
  3. Step 3: Cross multiply
    480,257.48x = 662,806.62 × 276,317.32
  4. Step 4: Simplify right side
    480,257.48x = 183,144,948,916.66
  5. Step 5: Solve for x
    x = 183,144,948,916.66/480,257.48
  6. Step 6: Final answer
    x = 381,347.42

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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.