Home / 979,339.44-1,351,512.64-549,652.32

Finding the Fourth Proportional to 979,339.44, 1,351,512.64 and 549,652.32

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Solution

The fourth proportional to 979,339.44, 1,351,512.64 and 549,652.32 is: 758,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,339.44 : 1,351,512.64 = 549,652.32 : x
  2. Step 2: Convert to fraction form
    979,339.44/1,351,512.64 = 549,652.32/x
  3. Step 3: Cross multiply
    979,339.44x = 1,351,512.64 × 549,652.32
  4. Step 4: Simplify right side
    979,339.44x = 742,862,058,085.33
  5. Step 5: Solve for x
    x = 742,862,058,085.33/979,339.44
  6. Step 6: Final answer
    x = 758,533.79

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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.