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Finding the Fourth Proportional to 566,645.80, 852,042.30 and 475,407.40

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Solution

The fourth proportional to 566,645.80, 852,042.30 and 475,407.40 is: 714,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,645.80 : 852,042.30 = 475,407.40 : x
  2. Step 2: Convert to fraction form
    566,645.80/852,042.30 = 475,407.40/x
  3. Step 3: Cross multiply
    566,645.80x = 852,042.30 × 475,407.40
  4. Step 4: Simplify right side
    566,645.80x = 405,067,214,533.02
  5. Step 5: Solve for x
    x = 405,067,214,533.02/566,645.80
  6. Step 6: Final answer
    x = 714,850.82

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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.