Home / 851,163.28-1,174,606.93-463,981.86

Finding the Fourth Proportional to 851,163.28, 1,174,606.93 and 463,981.86

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Solution

The fourth proportional to 851,163.28, 1,174,606.93 and 463,981.86 is: 640,295.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,163.28 : 1,174,606.93 = 463,981.86 : x
  2. Step 2: Convert to fraction form
    851,163.28/1,174,606.93 = 463,981.86/x
  3. Step 3: Cross multiply
    851,163.28x = 1,174,606.93 × 463,981.86
  4. Step 4: Simplify right side
    851,163.28x = 544,996,308,150.29
  5. Step 5: Solve for x
    x = 544,996,308,150.29/851,163.28
  6. Step 6: Final answer
    x = 640,295.84

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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.