Home / 480,252.21-662,680.74-276,225.57

Finding the Fourth Proportional to 480,252.21, 662,680.74 and 276,225.57

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Solution

The fourth proportional to 480,252.21, 662,680.74 and 276,225.57 is: 381,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,252.21 : 662,680.74 = 276,225.57 : x
  2. Step 2: Convert to fraction form
    480,252.21/662,680.74 = 276,225.57/x
  3. Step 3: Cross multiply
    480,252.21x = 662,680.74 × 276,225.57
  4. Step 4: Simplify right side
    480,252.21x = 183,049,365,134.52
  5. Step 5: Solve for x
    x = 183,049,365,134.52/480,252.21
  6. Step 6: Final answer
    x = 381,152.57

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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.