Home / 948,869.07-1,309,980.65-627,511.29

Finding the Fourth Proportional to 948,869.07, 1,309,980.65 and 627,511.29

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Solution

The fourth proportional to 948,869.07, 1,309,980.65 and 627,511.29 is: 866,323.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,869.07 : 1,309,980.65 = 627,511.29 : x
  2. Step 2: Convert to fraction form
    948,869.07/1,309,980.65 = 627,511.29/x
  3. Step 3: Cross multiply
    948,869.07x = 1,309,980.65 × 627,511.29
  4. Step 4: Simplify right side
    948,869.07x = 822,027,644,418.98
  5. Step 5: Solve for x
    x = 822,027,644,418.98/948,869.07
  6. Step 6: Final answer
    x = 866,323.57

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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.