Home / 979,718.24-1,351,999.26-549,987.32

Finding the Fourth Proportional to 979,718.24, 1,351,999.26 and 549,987.32

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Solution

The fourth proportional to 979,718.24, 1,351,999.26 and 549,987.32 is: 758,975.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,718.24 : 1,351,999.26 = 549,987.32 : x
  2. Step 2: Convert to fraction form
    979,718.24/1,351,999.26 = 549,987.32/x
  3. Step 3: Cross multiply
    979,718.24x = 1,351,999.26 × 549,987.32
  4. Step 4: Simplify right side
    979,718.24x = 743,582,449,649.38
  5. Step 5: Solve for x
    x = 743,582,449,649.38/979,718.24
  6. Step 6: Final answer
    x = 758,975.81

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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.