Home / 836,467.89-1,253,017.85-386,569.19

Finding the Fourth Proportional to 836,467.89, 1,253,017.85 and 386,569.19

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Solution

The fourth proportional to 836,467.89, 1,253,017.85 and 386,569.19 is: 579,075.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,467.89 : 1,253,017.85 = 386,569.19 : x
  2. Step 2: Convert to fraction form
    836,467.89/1,253,017.85 = 386,569.19/x
  3. Step 3: Cross multiply
    836,467.89x = 1,253,017.85 × 386,569.19
  4. Step 4: Simplify right side
    836,467.89x = 484,378,087,132.11
  5. Step 5: Solve for x
    x = 484,378,087,132.11/836,467.89
  6. Step 6: Final answer
    x = 579,075.53

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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.