Home / 979,235.45-1,351,442.03-549,517.29

Finding the Fourth Proportional to 979,235.45, 1,351,442.03 and 549,517.29

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Solution

The fourth proportional to 979,235.45, 1,351,442.03 and 549,517.29 is: 758,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,235.45 : 1,351,442.03 = 549,517.29 : x
  2. Step 2: Convert to fraction form
    979,235.45/1,351,442.03 = 549,517.29/x
  3. Step 3: Cross multiply
    979,235.45x = 1,351,442.03 × 549,517.29
  4. Step 4: Simplify right side
    979,235.45x = 742,640,761,917.70
  5. Step 5: Solve for x
    x = 742,640,761,917.70/979,235.45
  6. Step 6: Final answer
    x = 758,388.35

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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.