Home / 847,396.32-1,169,122.29-479,823.39

Finding the Fourth Proportional to 847,396.32, 1,169,122.29 and 479,823.39

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Solution

The fourth proportional to 847,396.32, 1,169,122.29 and 479,823.39 is: 661,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,396.32 : 1,169,122.29 = 479,823.39 : x
  2. Step 2: Convert to fraction form
    847,396.32/1,169,122.29 = 479,823.39/x
  3. Step 3: Cross multiply
    847,396.32x = 1,169,122.29 × 479,823.39
  4. Step 4: Simplify right side
    847,396.32x = 560,972,220,512.36
  5. Step 5: Solve for x
    x = 560,972,220,512.36/847,396.32
  6. Step 6: Final answer
    x = 661,995.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.