Home / 670,611.80-1,005,917.70-552,416.60

Finding the Fourth Proportional to 670,611.80, 1,005,917.70 and 552,416.60

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Solution

The fourth proportional to 670,611.80, 1,005,917.70 and 552,416.60 is: 828,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,611.80 : 1,005,917.70 = 552,416.60 : x
  2. Step 2: Convert to fraction form
    670,611.80/1,005,917.70 = 552,416.60/x
  3. Step 3: Cross multiply
    670,611.80x = 1,005,917.70 × 552,416.60
  4. Step 4: Simplify right side
    670,611.80x = 555,685,635,713.82
  5. Step 5: Solve for x
    x = 555,685,635,713.82/670,611.80
  6. Step 6: Final answer
    x = 828,624.90

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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.