Home / 851,188.53-1,174,641.81-464,007.12

Finding the Fourth Proportional to 851,188.53, 1,174,641.81 and 464,007.12

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Solution

The fourth proportional to 851,188.53, 1,174,641.81 and 464,007.12 is: 640,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,188.53 : 1,174,641.81 = 464,007.12 : x
  2. Step 2: Convert to fraction form
    851,188.53/1,174,641.81 = 464,007.12/x
  3. Step 3: Cross multiply
    851,188.53x = 1,174,641.81 × 464,007.12
  4. Step 4: Simplify right side
    851,188.53x = 545,042,163,289.69
  5. Step 5: Solve for x
    x = 545,042,163,289.69/851,188.53
  6. Step 6: Final answer
    x = 640,330.72

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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.