Home / 770,564.74-1,063,492.16-443,814.95

Finding the Fourth Proportional to 770,564.74, 1,063,492.16 and 443,814.95

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Solution

The fourth proportional to 770,564.74, 1,063,492.16 and 443,814.95 is: 612,529.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,564.74 : 1,063,492.16 = 443,814.95 : x
  2. Step 2: Convert to fraction form
    770,564.74/1,063,492.16 = 443,814.95/x
  3. Step 3: Cross multiply
    770,564.74x = 1,063,492.16 × 443,814.95
  4. Step 4: Simplify right side
    770,564.74x = 471,993,719,815.79
  5. Step 5: Solve for x
    x = 471,993,719,815.79/770,564.74
  6. Step 6: Final answer
    x = 612,529.61

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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.