Home / 876,016.13-1,207,806.93-731,030.78

Finding the Fourth Proportional to 876,016.13, 1,207,806.93 and 731,030.78

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Solution

The fourth proportional to 876,016.13, 1,207,806.93 and 731,030.78 is: 1,007,908.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,016.13 : 1,207,806.93 = 731,030.78 : x
  2. Step 2: Convert to fraction form
    876,016.13/1,207,806.93 = 731,030.78/x
  3. Step 3: Cross multiply
    876,016.13x = 1,207,806.93 × 731,030.78
  4. Step 4: Simplify right side
    876,016.13x = 882,944,045,146.82
  5. Step 5: Solve for x
    x = 882,944,045,146.82/876,016.13
  6. Step 6: Final answer
    x = 1,007,908.44

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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.