Home / 787,601.75-1,179,674.30-651,118.98

Finding the Fourth Proportional to 787,601.75, 1,179,674.30 and 651,118.98

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Solution

The fourth proportional to 787,601.75, 1,179,674.30 and 651,118.98 is: 975,249.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,601.75 : 1,179,674.30 = 651,118.98 : x
  2. Step 2: Convert to fraction form
    787,601.75/1,179,674.30 = 651,118.98/x
  3. Step 3: Cross multiply
    787,601.75x = 1,179,674.30 × 651,118.98
  4. Step 4: Simplify right side
    787,601.75x = 768,108,322,701.58
  5. Step 5: Solve for x
    x = 768,108,322,701.58/787,601.75
  6. Step 6: Final answer
    x = 975,249.65

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Double scale
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1.5x scale

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.