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Finding the Fourth Proportional to 647,295.39, 893,650.36 and 575,476.66

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Solution

The fourth proportional to 647,295.39, 893,650.36 and 575,476.66 is: 794,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,295.39 : 893,650.36 = 575,476.66 : x
  2. Step 2: Convert to fraction form
    647,295.39/893,650.36 = 575,476.66/x
  3. Step 3: Cross multiply
    647,295.39x = 893,650.36 × 575,476.66
  4. Step 4: Simplify right side
    647,295.39x = 514,274,924,380.60
  5. Step 5: Solve for x
    x = 514,274,924,380.60/647,295.39
  6. Step 6: Final answer
    x = 794,498.05

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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.