Home / 787,612.50-1,181,500.86-301,293.70

Finding the Fourth Proportional to 787,612.50, 1,181,500.86 and 301,293.70

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Solution

The fourth proportional to 787,612.50, 1,181,500.86 and 301,293.70 is: 451,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,612.50 : 1,181,500.86 = 301,293.70 : x
  2. Step 2: Convert to fraction form
    787,612.50/1,181,500.86 = 301,293.70/x
  3. Step 3: Cross multiply
    787,612.50x = 1,181,500.86 × 301,293.70
  4. Step 4: Simplify right side
    787,612.50x = 355,978,767,161.65
  5. Step 5: Solve for x
    x = 355,978,767,161.65/787,612.50
  6. Step 6: Final answer
    x = 451,971.96

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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.