Home / 851,386.59-1,174,921.43-469,426.95

Finding the Fourth Proportional to 851,386.59, 1,174,921.43 and 469,426.95

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Solution

The fourth proportional to 851,386.59, 1,174,921.43 and 469,426.95 is: 647,813.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,386.59 : 1,174,921.43 = 469,426.95 : x
  2. Step 2: Convert to fraction form
    851,386.59/1,174,921.43 = 469,426.95/x
  3. Step 3: Cross multiply
    851,386.59x = 1,174,921.43 × 469,426.95
  4. Step 4: Simplify right side
    851,386.59x = 551,539,781,027.40
  5. Step 5: Solve for x
    x = 551,539,781,027.40/851,386.59
  6. Step 6: Final answer
    x = 647,813.56

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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.