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Finding the Fourth Proportional to 480,088, 662,521.44 and 278,896.96

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Solution

The fourth proportional to 480,088, 662,521.44 and 278,896.96 is: 384,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,088 : 662,521.44 = 278,896.96 : x
  2. Step 2: Convert to fraction form
    480,088/662,521.44 = 278,896.96/x
  3. Step 3: Cross multiply
    480,088x = 662,521.44 × 278,896.96
  4. Step 4: Simplify right side
    480,088x = 184,775,215,550.82
  5. Step 5: Solve for x
    x = 184,775,215,550.82/480,088
  6. Step 6: Final answer
    x = 384,877.80

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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.