Home / 851,174.61-1,174,628.84-469,215.06

Finding the Fourth Proportional to 851,174.61, 1,174,628.84 and 469,215.06

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Solution

The fourth proportional to 851,174.61, 1,174,628.84 and 469,215.06 is: 647,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,174.61 : 1,174,628.84 = 469,215.06 : x
  2. Step 2: Convert to fraction form
    851,174.61/1,174,628.84 = 469,215.06/x
  3. Step 3: Cross multiply
    851,174.61x = 1,174,628.84 × 469,215.06
  4. Step 4: Simplify right side
    851,174.61x = 551,153,539,292.26
  5. Step 5: Solve for x
    x = 551,153,539,292.26/851,174.61
  6. Step 6: Final answer
    x = 647,521.12

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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.