Home / 917,635.06-1,266,371.93-509,767.87

Finding the Fourth Proportional to 917,635.06, 1,266,371.93 and 509,767.87

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Solution

The fourth proportional to 917,635.06, 1,266,371.93 and 509,767.87 is: 703,499.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,635.06 : 1,266,371.93 = 509,767.87 : x
  2. Step 2: Convert to fraction form
    917,635.06/1,266,371.93 = 509,767.87/x
  3. Step 3: Cross multiply
    917,635.06x = 1,266,371.93 × 509,767.87
  4. Step 4: Simplify right side
    917,635.06x = 645,555,721,383.89
  5. Step 5: Solve for x
    x = 645,555,721,383.89/917,635.06
  6. Step 6: Final answer
    x = 703,499.41

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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.