Home / 770,565.24-1,063,492.86-443,815.44

Finding the Fourth Proportional to 770,565.24, 1,063,492.86 and 443,815.44

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Solution

The fourth proportional to 770,565.24, 1,063,492.86 and 443,815.44 is: 612,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,565.24 : 1,063,492.86 = 443,815.44 : x
  2. Step 2: Convert to fraction form
    770,565.24/1,063,492.86 = 443,815.44/x
  3. Step 3: Cross multiply
    770,565.24x = 1,063,492.86 × 443,815.44
  4. Step 4: Simplify right side
    770,565.24x = 471,994,551,597.76
  5. Step 5: Solve for x
    x = 471,994,551,597.76/770,565.24
  6. Step 6: Final answer
    x = 612,530.29

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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.