Home / 763,778.21-1,143,922.12-364,698.50

Finding the Fourth Proportional to 763,778.21, 1,143,922.12 and 364,698.50

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Solution

The fourth proportional to 763,778.21, 1,143,922.12 and 364,698.50 is: 546,214.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,778.21 : 1,143,922.12 = 364,698.50 : x
  2. Step 2: Convert to fraction form
    763,778.21/1,143,922.12 = 364,698.50/x
  3. Step 3: Cross multiply
    763,778.21x = 1,143,922.12 × 364,698.50
  4. Step 4: Simplify right side
    763,778.21x = 417,186,674,649.46
  5. Step 5: Solve for x
    x = 417,186,674,649.46/763,778.21
  6. Step 6: Final answer
    x = 546,214.43

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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.