Home / 770,566.74-1,063,494.92-443,816.95

Finding the Fourth Proportional to 770,566.74, 1,063,494.92 and 443,816.95

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Solution

The fourth proportional to 770,566.74, 1,063,494.92 and 443,816.95 is: 612,532.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,566.74 : 1,063,494.92 = 443,816.95 : x
  2. Step 2: Convert to fraction form
    770,566.74/1,063,494.92 = 443,816.95/x
  3. Step 3: Cross multiply
    770,566.74x = 1,063,494.92 × 443,816.95
  4. Step 4: Simplify right side
    770,566.74x = 471,997,071,734.89
  5. Step 5: Solve for x
    x = 471,997,071,734.89/770,566.74
  6. Step 6: Final answer
    x = 612,532.37

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1.5x scale

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.