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Finding the Fourth Proportional to 522,972.09, 784,878.54 and 270,326.67

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Solution

The fourth proportional to 522,972.09, 784,878.54 and 270,326.67 is: 405,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,972.09 : 784,878.54 = 270,326.67 : x
  2. Step 2: Convert to fraction form
    522,972.09/784,878.54 = 270,326.67/x
  3. Step 3: Cross multiply
    522,972.09x = 784,878.54 × 270,326.67
  4. Step 4: Simplify right side
    522,972.09x = 212,173,602,072.66
  5. Step 5: Solve for x
    x = 212,173,602,072.66/522,972.09
  6. Step 6: Final answer
    x = 405,707.31

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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.