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Finding the Fourth Proportional to 670,863.69, 925,808.79 and 364,957.26

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Solution

The fourth proportional to 670,863.69, 925,808.79 and 364,957.26 is: 503,650.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,863.69 : 925,808.79 = 364,957.26 : x
  2. Step 2: Convert to fraction form
    670,863.69/925,808.79 = 364,957.26/x
  3. Step 3: Cross multiply
    670,863.69x = 925,808.79 × 364,957.26
  4. Step 4: Simplify right side
    670,863.69x = 337,880,639,282.32
  5. Step 5: Solve for x
    x = 337,880,639,282.32/670,863.69
  6. Step 6: Final answer
    x = 503,650.21

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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.