Home / 758,536.32-1,137,970.68-285,221.69

Finding the Fourth Proportional to 758,536.32, 1,137,970.68 and 285,221.69

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Solution

The fourth proportional to 758,536.32, 1,137,970.68 and 285,221.69 is: 427,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,536.32 : 1,137,970.68 = 285,221.69 : x
  2. Step 2: Convert to fraction form
    758,536.32/1,137,970.68 = 285,221.69/x
  3. Step 3: Cross multiply
    758,536.32x = 1,137,970.68 × 285,221.69
  4. Step 4: Simplify right side
    758,536.32x = 324,573,920,520.05
  5. Step 5: Solve for x
    x = 324,573,920,520.05/758,536.32
  6. Step 6: Final answer
    x = 427,895.03

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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.