Home / 699,318.42-1,050,976.74-651,931.80

Finding the Fourth Proportional to 699,318.42, 1,050,976.74 and 651,931.80

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Solution

The fourth proportional to 699,318.42, 1,050,976.74 and 651,931.80 is: 979,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,318.42 : 1,050,976.74 = 651,931.80 : x
  2. Step 2: Convert to fraction form
    699,318.42/1,050,976.74 = 651,931.80/x
  3. Step 3: Cross multiply
    699,318.42x = 1,050,976.74 × 651,931.80
  4. Step 4: Simplify right side
    699,318.42x = 685,165,157,866.33
  5. Step 5: Solve for x
    x = 685,165,157,866.33/699,318.42
  6. Step 6: Final answer
    x = 979,761.35

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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.