Home / 877,793.76-1,316,198.16-278,643.24

Finding the Fourth Proportional to 877,793.76, 1,316,198.16 and 278,643.24

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Solution

The fourth proportional to 877,793.76, 1,316,198.16 and 278,643.24 is: 417,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,793.76 : 1,316,198.16 = 278,643.24 : x
  2. Step 2: Convert to fraction form
    877,793.76/1,316,198.16 = 278,643.24/x
  3. Step 3: Cross multiply
    877,793.76x = 1,316,198.16 × 278,643.24
  4. Step 4: Simplify right side
    877,793.76x = 366,749,719,784.44
  5. Step 5: Solve for x
    x = 366,749,719,784.44/877,793.76
  6. Step 6: Final answer
    x = 417,808.53

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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.