Home / 891,867.48-1,230,426.77-509,689.23

Finding the Fourth Proportional to 891,867.48, 1,230,426.77 and 509,689.23

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Solution

The fourth proportional to 891,867.48, 1,230,426.77 and 509,689.23 is: 703,170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,867.48 : 1,230,426.77 = 509,689.23 : x
  2. Step 2: Convert to fraction form
    891,867.48/1,230,426.77 = 509,689.23/x
  3. Step 3: Cross multiply
    891,867.48x = 1,230,426.77 × 509,689.23
  4. Step 4: Simplify right side
    891,867.48x = 627,135,270,424.24
  5. Step 5: Solve for x
    x = 627,135,270,424.24/891,867.48
  6. Step 6: Final answer
    x = 703,170.91

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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.