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Finding the Fourth Proportional to 668,741.30, 922,855.29 and 366,935.30

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Solution

The fourth proportional to 668,741.30, 922,855.29 and 366,935.30 is: 506,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,741.30 : 922,855.29 = 366,935.30 : x
  2. Step 2: Convert to fraction form
    668,741.30/922,855.29 = 366,935.30/x
  3. Step 3: Cross multiply
    668,741.30x = 922,855.29 × 366,935.30
  4. Step 4: Simplify right side
    668,741.30x = 338,628,182,692.74
  5. Step 5: Solve for x
    x = 338,628,182,692.74/668,741.30
  6. Step 6: Final answer
    x = 506,366.49

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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.