Home / 512,653.08-702,323.04-493,485.80

Finding the Fourth Proportional to 512,653.08, 702,323.04 and 493,485.80

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Solution

The fourth proportional to 512,653.08, 702,323.04 and 493,485.80 is: 676,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,653.08 : 702,323.04 = 493,485.80 : x
  2. Step 2: Convert to fraction form
    512,653.08/702,323.04 = 493,485.80/x
  3. Step 3: Cross multiply
    512,653.08x = 702,323.04 × 493,485.80
  4. Step 4: Simplify right side
    512,653.08x = 346,586,447,252.83
  5. Step 5: Solve for x
    x = 346,586,447,252.83/512,653.08
  6. Step 6: Final answer
    x = 676,064.30

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.