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Finding the Fourth Proportional to 523,150.42, 784,763.67 and 219,239.51

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Solution

The fourth proportional to 523,150.42, 784,763.67 and 219,239.51 is: 328,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,150.42 : 784,763.67 = 219,239.51 : x
  2. Step 2: Convert to fraction form
    523,150.42/784,763.67 = 219,239.51/x
  3. Step 3: Cross multiply
    523,150.42x = 784,763.67 × 219,239.51
  4. Step 4: Simplify right side
    523,150.42x = 172,051,202,476.60
  5. Step 5: Solve for x
    x = 172,051,202,476.60/523,150.42
  6. Step 6: Final answer
    x = 328,875.21

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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.