Home / 995,521.32-1,493,081.10-285,358.68

Finding the Fourth Proportional to 995,521.32, 1,493,081.10 and 285,358.68

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Solution

The fourth proportional to 995,521.32, 1,493,081.10 and 285,358.68 is: 427,980.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,521.32 : 1,493,081.10 = 285,358.68 : x
  2. Step 2: Convert to fraction form
    995,521.32/1,493,081.10 = 285,358.68/x
  3. Step 3: Cross multiply
    995,521.32x = 1,493,081.10 × 285,358.68
  4. Step 4: Simplify right side
    995,521.32x = 426,063,651,828.95
  5. Step 5: Solve for x
    x = 426,063,651,828.95/995,521.32
  6. Step 6: Final answer
    x = 427,980.44

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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.