Home / 551,887.04-762,182.34-380,251.28

Finding the Fourth Proportional to 551,887.04, 762,182.34 and 380,251.28

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Solution

The fourth proportional to 551,887.04, 762,182.34 and 380,251.28 is: 525,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,887.04 : 762,182.34 = 380,251.28 : x
  2. Step 2: Convert to fraction form
    551,887.04/762,182.34 = 380,251.28/x
  3. Step 3: Cross multiply
    551,887.04x = 762,182.34 × 380,251.28
  4. Step 4: Simplify right side
    551,887.04x = 289,820,810,378.40
  5. Step 5: Solve for x
    x = 289,820,810,378.40/551,887.04
  6. Step 6: Final answer
    x = 525,145.16

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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.