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Finding the Fourth Proportional to 452,369.82, 624,482.88 and 261,346.32

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Solution

The fourth proportional to 452,369.82, 624,482.88 and 261,346.32 is: 360,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,369.82 : 624,482.88 = 261,346.32 : x
  2. Step 2: Convert to fraction form
    452,369.82/624,482.88 = 261,346.32/x
  3. Step 3: Cross multiply
    452,369.82x = 624,482.88 × 261,346.32
  4. Step 4: Simplify right side
    452,369.82x = 163,206,302,591.00
  5. Step 5: Solve for x
    x = 163,206,302,591.00/452,369.82
  6. Step 6: Final answer
    x = 360,780.71

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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.