Home / 785,364.64-1,176,956.98-357,855.69

Finding the Fourth Proportional to 785,364.64, 1,176,956.98 and 357,855.69

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Solution

The fourth proportional to 785,364.64, 1,176,956.98 and 357,855.69 is: 536,286.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,364.64 : 1,176,956.98 = 357,855.69 : x
  2. Step 2: Convert to fraction form
    785,364.64/1,176,956.98 = 357,855.69/x
  3. Step 3: Cross multiply
    785,364.64x = 1,176,956.98 × 357,855.69
  4. Step 4: Simplify right side
    785,364.64x = 421,180,752,178.22
  5. Step 5: Solve for x
    x = 421,180,752,178.22/785,364.64
  6. Step 6: Final answer
    x = 536,286.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.