Home / 877,949.64-1,315,550.70-678,760.92

Finding the Fourth Proportional to 877,949.64, 1,315,550.70 and 678,760.92

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Solution

The fourth proportional to 877,949.64, 1,315,550.70 and 678,760.92 is: 1,017,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,949.64 : 1,315,550.70 = 678,760.92 : x
  2. Step 2: Convert to fraction form
    877,949.64/1,315,550.70 = 678,760.92/x
  3. Step 3: Cross multiply
    877,949.64x = 1,315,550.70 × 678,760.92
  4. Step 4: Simplify right side
    877,949.64x = 892,944,403,438.64
  5. Step 5: Solve for x
    x = 892,944,403,438.64/877,949.64
  6. Step 6: Final answer
    x = 1,017,079.30

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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.