Home / 763,577.28-1,144,860.36-364,279.68

Finding the Fourth Proportional to 763,577.28, 1,144,860.36 and 364,279.68

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Solution

The fourth proportional to 763,577.28, 1,144,860.36 and 364,279.68 is: 546,178.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,577.28 : 1,144,860.36 = 364,279.68 : x
  2. Step 2: Convert to fraction form
    763,577.28/1,144,860.36 = 364,279.68/x
  3. Step 3: Cross multiply
    763,577.28x = 1,144,860.36 × 364,279.68
  4. Step 4: Simplify right side
    763,577.28x = 417,049,365,585.49
  5. Step 5: Solve for x
    x = 417,049,365,585.49/763,577.28
  6. Step 6: Final answer
    x = 546,178.33

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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.