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Finding the Fourth Proportional to 522,974.17, 784,881.58 and 270,328.65

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Solution

The fourth proportional to 522,974.17, 784,881.58 and 270,328.65 is: 405,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,974.17 : 784,881.58 = 270,328.65 : x
  2. Step 2: Convert to fraction form
    522,974.17/784,881.58 = 270,328.65/x
  3. Step 3: Cross multiply
    522,974.17x = 784,881.58 × 270,328.65
  4. Step 4: Simplify right side
    522,974.17x = 212,175,976,579.62
  5. Step 5: Solve for x
    x = 212,175,976,579.62/522,974.17
  6. Step 6: Final answer
    x = 405,710.24

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1.5x scale

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.