Home / 768,062.86-1,059,327.82-492,447.04

Finding the Fourth Proportional to 768,062.86, 1,059,327.82 and 492,447.04

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Solution

The fourth proportional to 768,062.86, 1,059,327.82 and 492,447.04 is: 679,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,062.86 : 1,059,327.82 = 492,447.04 : x
  2. Step 2: Convert to fraction form
    768,062.86/1,059,327.82 = 492,447.04/x
  3. Step 3: Cross multiply
    768,062.86x = 1,059,327.82 × 492,447.04
  4. Step 4: Simplify right side
    768,062.86x = 521,662,849,348.65
  5. Step 5: Solve for x
    x = 521,662,849,348.65/768,062.86
  6. Step 6: Final answer
    x = 679,192.91

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1.5x scale

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.