Home / 699,431.76-1,050,197.40-400,250.16

Finding the Fourth Proportional to 699,431.76, 1,050,197.40 and 400,250.16

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Solution

The fourth proportional to 699,431.76, 1,050,197.40 and 400,250.16 is: 600,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,431.76 : 1,050,197.40 = 400,250.16 : x
  2. Step 2: Convert to fraction form
    699,431.76/1,050,197.40 = 400,250.16/x
  3. Step 3: Cross multiply
    699,431.76x = 1,050,197.40 × 400,250.16
  4. Step 4: Simplify right side
    699,431.76x = 420,341,677,381.58
  5. Step 5: Solve for x
    x = 420,341,677,381.58/699,431.76
  6. Step 6: Final answer
    x = 600,975.97

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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.