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Finding the Fourth Proportional to 670,281.88, 925,006.80 and 364,378.92

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Solution

The fourth proportional to 670,281.88, 925,006.80 and 364,378.92 is: 502,852.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,281.88 : 925,006.80 = 364,378.92 : x
  2. Step 2: Convert to fraction form
    670,281.88/925,006.80 = 364,378.92/x
  3. Step 3: Cross multiply
    670,281.88x = 925,006.80 × 364,378.92
  4. Step 4: Simplify right side
    670,281.88x = 337,052,978,776.66
  5. Step 5: Solve for x
    x = 337,052,978,776.66/670,281.88
  6. Step 6: Final answer
    x = 502,852.59

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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.