Home / 712,887.13-983,542.04-406,743.58

Finding the Fourth Proportional to 712,887.13, 983,542.04 and 406,743.58

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Solution

The fourth proportional to 712,887.13, 983,542.04 and 406,743.58 is: 561,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,887.13 : 983,542.04 = 406,743.58 : x
  2. Step 2: Convert to fraction form
    712,887.13/983,542.04 = 406,743.58/x
  3. Step 3: Cross multiply
    712,887.13x = 983,542.04 × 406,743.58
  4. Step 4: Simplify right side
    712,887.13x = 400,049,405,512.39
  5. Step 5: Solve for x
    x = 400,049,405,512.39/712,887.13
  6. Step 6: Final answer
    x = 561,167.95

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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.