Home / 877,555.60-1,315,296.60-372,115.60

Finding the Fourth Proportional to 877,555.60, 1,315,296.60 and 372,115.60

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Solution

The fourth proportional to 877,555.60, 1,315,296.60 and 372,115.60 is: 557,733.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,555.60 : 1,315,296.60 = 372,115.60 : x
  2. Step 2: Convert to fraction form
    877,555.60/1,315,296.60 = 372,115.60/x
  3. Step 3: Cross multiply
    877,555.60x = 1,315,296.60 × 372,115.60
  4. Step 4: Simplify right side
    877,555.60x = 489,442,383,486.96
  5. Step 5: Solve for x
    x = 489,442,383,486.96/877,555.60
  6. Step 6: Final answer
    x = 557,733.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.