Home / 445,276.20-666,602.10-295,685.40

Finding the Fourth Proportional to 445,276.20, 666,602.10 and 295,685.40

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Solution

The fourth proportional to 445,276.20, 666,602.10 and 295,685.40 is: 442,656.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,276.20 : 666,602.10 = 295,685.40 : x
  2. Step 2: Convert to fraction form
    445,276.20/666,602.10 = 295,685.40/x
  3. Step 3: Cross multiply
    445,276.20x = 666,602.10 × 295,685.40
  4. Step 4: Simplify right side
    445,276.20x = 197,104,508,579.34
  5. Step 5: Solve for x
    x = 197,104,508,579.34/445,276.20
  6. Step 6: Final answer
    x = 442,656.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.