Home / 917,633.06-1,266,369.17-509,765.87

Finding the Fourth Proportional to 917,633.06, 1,266,369.17 and 509,765.87

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Solution

The fourth proportional to 917,633.06, 1,266,369.17 and 509,765.87 is: 703,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,633.06 : 1,266,369.17 = 509,765.87 : x
  2. Step 2: Convert to fraction form
    917,633.06/1,266,369.17 = 509,765.87/x
  3. Step 3: Cross multiply
    917,633.06x = 1,266,369.17 × 509,765.87
  4. Step 4: Simplify right side
    917,633.06x = 645,551,772,805.55
  5. Step 5: Solve for x
    x = 645,551,772,805.55/917,633.06
  6. Step 6: Final answer
    x = 703,496.64

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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.