Home / 851,387.59-1,174,922.81-469,427.95

Finding the Fourth Proportional to 851,387.59, 1,174,922.81 and 469,427.95

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Solution

The fourth proportional to 851,387.59, 1,174,922.81 and 469,427.95 is: 647,814.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,387.59 : 1,174,922.81 = 469,427.95 : x
  2. Step 2: Convert to fraction form
    851,387.59/1,174,922.81 = 469,427.95/x
  3. Step 3: Cross multiply
    851,387.59x = 1,174,922.81 × 469,427.95
  4. Step 4: Simplify right side
    851,387.59x = 551,541,606,106.54
  5. Step 5: Solve for x
    x = 551,541,606,106.54/851,387.59
  6. Step 6: Final answer
    x = 647,814.95

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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.