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Finding the Fourth Proportional to 684,028.80, 943,957.80 and 382,222.80

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Solution

The fourth proportional to 684,028.80, 943,957.80 and 382,222.80 is: 527,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,028.80 : 943,957.80 = 382,222.80 : x
  2. Step 2: Convert to fraction form
    684,028.80/943,957.80 = 382,222.80/x
  3. Step 3: Cross multiply
    684,028.80x = 943,957.80 × 382,222.80
  4. Step 4: Simplify right side
    684,028.80x = 360,802,193,397.84
  5. Step 5: Solve for x
    x = 360,802,193,397.84/684,028.80
  6. Step 6: Final answer
    x = 527,466.38

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Double scale
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Similar ratio
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1.5x scale

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.