Home / 877,725.60-1,211,743.38-551,379

Finding the Fourth Proportional to 877,725.60, 1,211,743.38 and 551,379

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Solution

The fourth proportional to 877,725.60, 1,211,743.38 and 551,379 is: 761,205.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,725.60 : 1,211,743.38 = 551,379 : x
  2. Step 2: Convert to fraction form
    877,725.60/1,211,743.38 = 551,379/x
  3. Step 3: Cross multiply
    877,725.60x = 1,211,743.38 × 551,379
  4. Step 4: Simplify right side
    877,725.60x = 668,129,853,121.02
  5. Step 5: Solve for x
    x = 668,129,853,121.02/877,725.60
  6. Step 6: Final answer
    x = 761,205.84

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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.