Home / 851,936.13-1,175,675.72-469,962.81

Finding the Fourth Proportional to 851,936.13, 1,175,675.72 and 469,962.81

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Solution

The fourth proportional to 851,936.13, 1,175,675.72 and 469,962.81 is: 648,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,936.13 : 1,175,675.72 = 469,962.81 : x
  2. Step 2: Convert to fraction form
    851,936.13/1,175,675.72 = 469,962.81/x
  3. Step 3: Cross multiply
    851,936.13x = 1,175,675.72 × 469,962.81
  4. Step 4: Simplify right side
    851,936.13x = 552,523,862,670.16
  5. Step 5: Solve for x
    x = 552,523,862,670.16/851,936.13
  6. Step 6: Final answer
    x = 648,550.80

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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.