Home / 756,886.46-1,135,329.66-519,509.48

Finding the Fourth Proportional to 756,886.46, 1,135,329.66 and 519,509.48

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Solution

The fourth proportional to 756,886.46, 1,135,329.66 and 519,509.48 is: 779,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,886.46 : 1,135,329.66 = 519,509.48 : x
  2. Step 2: Convert to fraction form
    756,886.46/1,135,329.66 = 519,509.48/x
  3. Step 3: Cross multiply
    756,886.46x = 1,135,329.66 × 519,509.48
  4. Step 4: Simplify right side
    756,886.46x = 589,814,515,618.53
  5. Step 5: Solve for x
    x = 589,814,515,618.53/756,886.46
  6. Step 6: Final answer
    x = 779,264.20

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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.