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Finding the Fourth Proportional to 670,599.35, 925,451.38 and 384,174.80

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Solution

The fourth proportional to 670,599.35, 925,451.38 and 384,174.80 is: 530,175.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,599.35 : 925,451.38 = 384,174.80 : x
  2. Step 2: Convert to fraction form
    670,599.35/925,451.38 = 384,174.80/x
  3. Step 3: Cross multiply
    670,599.35x = 925,451.38 × 384,174.80
  4. Step 4: Simplify right side
    670,599.35x = 355,535,095,983.65
  5. Step 5: Solve for x
    x = 355,535,095,983.65/670,599.35
  6. Step 6: Final answer
    x = 530,175.12

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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.