Home / 851,265.16-1,174,709.48-464,071.36

Finding the Fourth Proportional to 851,265.16, 1,174,709.48 and 464,071.36

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Solution

The fourth proportional to 851,265.16, 1,174,709.48 and 464,071.36 is: 640,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,265.16 : 1,174,709.48 = 464,071.36 : x
  2. Step 2: Convert to fraction form
    851,265.16/1,174,709.48 = 464,071.36/x
  3. Step 3: Cross multiply
    851,265.16x = 1,174,709.48 × 464,071.36
  4. Step 4: Simplify right side
    851,265.16x = 545,149,025,988.49
  5. Step 5: Solve for x
    x = 545,149,025,988.49/851,265.16
  6. Step 6: Final answer
    x = 640,398.61

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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.