Home / 851,431.04-1,175,027.28-469,456.64

Finding the Fourth Proportional to 851,431.04, 1,175,027.28 and 469,456.64

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Solution

The fourth proportional to 851,431.04, 1,175,027.28 and 469,456.64 is: 647,879.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,431.04 : 1,175,027.28 = 469,456.64 : x
  2. Step 2: Convert to fraction form
    851,431.04/1,175,027.28 = 469,456.64/x
  3. Step 3: Cross multiply
    851,431.04x = 1,175,027.28 × 469,456.64
  4. Step 4: Simplify right side
    851,431.04x = 551,624,358,777.14
  5. Step 5: Solve for x
    x = 551,624,358,777.14/851,431.04
  6. Step 6: Final answer
    x = 647,879.08

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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.