Home / 756,878.27-1,135,317.40-519,501.29

Finding the Fourth Proportional to 756,878.27, 1,135,317.40 and 519,501.29

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Solution

The fourth proportional to 756,878.27, 1,135,317.40 and 519,501.29 is: 779,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,878.27 : 1,135,317.40 = 519,501.29 : x
  2. Step 2: Convert to fraction form
    756,878.27/1,135,317.40 = 519,501.29/x
  3. Step 3: Cross multiply
    756,878.27x = 1,135,317.40 × 519,501.29
  4. Step 4: Simplify right side
    756,878.27x = 589,798,848,182.86
  5. Step 5: Solve for x
    x = 589,798,848,182.86/756,878.27
  6. Step 6: Final answer
    x = 779,251.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.