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Finding the Fourth Proportional to 480,087, 662,520.06 and 278,895.96

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Solution

The fourth proportional to 480,087, 662,520.06 and 278,895.96 is: 384,876.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,087 : 662,520.06 = 278,895.96 : x
  2. Step 2: Convert to fraction form
    480,087/662,520.06 = 278,895.96/x
  3. Step 3: Cross multiply
    480,087x = 662,520.06 × 278,895.96
  4. Step 4: Simplify right side
    480,087x = 184,774,168,152.96
  5. Step 5: Solve for x
    x = 184,774,168,152.96/480,087
  6. Step 6: Final answer
    x = 384,876.42

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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.