Home / 876,834.80-1,315,252.20-577,653.20

Finding the Fourth Proportional to 876,834.80, 1,315,252.20 and 577,653.20

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Solution

The fourth proportional to 876,834.80, 1,315,252.20 and 577,653.20 is: 866,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,834.80 : 1,315,252.20 = 577,653.20 : x
  2. Step 2: Convert to fraction form
    876,834.80/1,315,252.20 = 577,653.20/x
  3. Step 3: Cross multiply
    876,834.80x = 1,315,252.20 × 577,653.20
  4. Step 4: Simplify right side
    876,834.80x = 759,759,642,137.04
  5. Step 5: Solve for x
    x = 759,759,642,137.04/876,834.80
  6. Step 6: Final answer
    x = 866,479.80

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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.