Home / 768,386.42-1,060,516.28-441,890.60

Finding the Fourth Proportional to 768,386.42, 1,060,516.28 and 441,890.60

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Solution

The fourth proportional to 768,386.42, 1,060,516.28 and 441,890.60 is: 609,891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,386.42 : 1,060,516.28 = 441,890.60 : x
  2. Step 2: Convert to fraction form
    768,386.42/1,060,516.28 = 441,890.60/x
  3. Step 3: Cross multiply
    768,386.42x = 1,060,516.28 × 441,890.60
  4. Step 4: Simplify right side
    768,386.42x = 468,632,175,278.97
  5. Step 5: Solve for x
    x = 468,632,175,278.97/768,386.42
  6. Step 6: Final answer
    x = 609,891.28

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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.