Home / 745,268.13-1,027,755.41-500,805.27

Finding the Fourth Proportional to 745,268.13, 1,027,755.41 and 500,805.27

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Solution

The fourth proportional to 745,268.13, 1,027,755.41 and 500,805.27 is: 690,631.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,268.13 : 1,027,755.41 = 500,805.27 : x
  2. Step 2: Convert to fraction form
    745,268.13/1,027,755.41 = 500,805.27/x
  3. Step 3: Cross multiply
    745,268.13x = 1,027,755.41 × 500,805.27
  4. Step 4: Simplify right side
    745,268.13x = 514,705,323,094.98
  5. Step 5: Solve for x
    x = 514,705,323,094.98/745,268.13
  6. Step 6: Final answer
    x = 690,631.07

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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.