Home / 918,530.55-1,267,593.30-510,616.71

Finding the Fourth Proportional to 918,530.55, 1,267,593.30 and 510,616.71

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Solution

The fourth proportional to 918,530.55, 1,267,593.30 and 510,616.71 is: 704,662.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,530.55 : 1,267,593.30 = 510,616.71 : x
  2. Step 2: Convert to fraction form
    918,530.55/1,267,593.30 = 510,616.71/x
  3. Step 3: Cross multiply
    918,530.55x = 1,267,593.30 × 510,616.71
  4. Step 4: Simplify right side
    918,530.55x = 647,254,320,464.04
  5. Step 5: Solve for x
    x = 647,254,320,464.04/918,530.55
  6. Step 6: Final answer
    x = 704,662.81

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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.