Home / 707,078.80-1,060,618.20-455,136.40

Finding the Fourth Proportional to 707,078.80, 1,060,618.20 and 455,136.40

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Solution

The fourth proportional to 707,078.80, 1,060,618.20 and 455,136.40 is: 682,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,078.80 : 1,060,618.20 = 455,136.40 : x
  2. Step 2: Convert to fraction form
    707,078.80/1,060,618.20 = 455,136.40/x
  3. Step 3: Cross multiply
    707,078.80x = 1,060,618.20 × 455,136.40
  4. Step 4: Simplify right side
    707,078.80x = 482,725,949,322.48
  5. Step 5: Solve for x
    x = 482,725,949,322.48/707,078.80
  6. Step 6: Final answer
    x = 682,704.60

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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.