Home / 768,287.08-1,060,208.38-424,115.62

Finding the Fourth Proportional to 768,287.08, 1,060,208.38 and 424,115.62

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Solution

The fourth proportional to 768,287.08, 1,060,208.38 and 424,115.62 is: 585,264.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,287.08 : 1,060,208.38 = 424,115.62 : x
  2. Step 2: Convert to fraction form
    768,287.08/1,060,208.38 = 424,115.62/x
  3. Step 3: Cross multiply
    768,287.08x = 1,060,208.38 × 424,115.62
  4. Step 4: Simplify right side
    768,287.08x = 449,650,934,412.90
  5. Step 5: Solve for x
    x = 449,650,934,412.90/768,287.08
  6. Step 6: Final answer
    x = 585,264.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.