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Finding the Fourth Proportional to 480,497.28, 663,105.60 and 265,637.76

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Solution

The fourth proportional to 480,497.28, 663,105.60 and 265,637.76 is: 366,590.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,497.28 : 663,105.60 = 265,637.76 : x
  2. Step 2: Convert to fraction form
    480,497.28/663,105.60 = 265,637.76/x
  3. Step 3: Cross multiply
    480,497.28x = 663,105.60 × 265,637.76
  4. Step 4: Simplify right side
    480,497.28x = 176,145,886,227.46
  5. Step 5: Solve for x
    x = 176,145,886,227.46/480,497.28
  6. Step 6: Final answer
    x = 366,590.81

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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.