Home / 775,667.54-1,163,526.75-214,655.06

Finding the Fourth Proportional to 775,667.54, 1,163,526.75 and 214,655.06

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Solution

The fourth proportional to 775,667.54, 1,163,526.75 and 214,655.06 is: 321,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,667.54 : 1,163,526.75 = 214,655.06 : x
  2. Step 2: Convert to fraction form
    775,667.54/1,163,526.75 = 214,655.06/x
  3. Step 3: Cross multiply
    775,667.54x = 1,163,526.75 × 214,655.06
  4. Step 4: Simplify right side
    775,667.54x = 249,756,904,332.86
  5. Step 5: Solve for x
    x = 249,756,904,332.86/775,667.54
  6. Step 6: Final answer
    x = 321,989.63

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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.