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Finding the Fourth Proportional to 668,736.12, 922,855.90 and 382,262.46

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Solution

The fourth proportional to 668,736.12, 922,855.90 and 382,262.46 is: 527,522.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,736.12 : 922,855.90 = 382,262.46 : x
  2. Step 2: Convert to fraction form
    668,736.12/922,855.90 = 382,262.46/x
  3. Step 3: Cross multiply
    668,736.12x = 922,855.90 × 382,262.46
  4. Step 4: Simplify right side
    668,736.12x = 352,773,166,559.51
  5. Step 5: Solve for x
    x = 352,773,166,559.51/668,736.12
  6. Step 6: Final answer
    x = 527,522.23

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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.