Home / 670,807.80-1,003,587.30-434,611.80

Finding the Fourth Proportional to 670,807.80, 1,003,587.30 and 434,611.80

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Solution

The fourth proportional to 670,807.80, 1,003,587.30 and 434,611.80 is: 650,217.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,807.80 : 1,003,587.30 = 434,611.80 : x
  2. Step 2: Convert to fraction form
    670,807.80/1,003,587.30 = 434,611.80/x
  3. Step 3: Cross multiply
    670,807.80x = 1,003,587.30 × 434,611.80
  4. Step 4: Simplify right side
    670,807.80x = 436,170,882,910.14
  5. Step 5: Solve for x
    x = 436,170,882,910.14/670,807.80
  6. Step 6: Final answer
    x = 650,217.37

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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.