Home / 979,515.54-1,351,657.33-549,712.64

Finding the Fourth Proportional to 979,515.54, 1,351,657.33 and 549,712.64

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Solution

The fourth proportional to 979,515.54, 1,351,657.33 and 549,712.64 is: 758,561.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,515.54 : 1,351,657.33 = 549,712.64 : x
  2. Step 2: Convert to fraction form
    979,515.54/1,351,657.33 = 549,712.64/x
  3. Step 3: Cross multiply
    979,515.54x = 1,351,657.33 × 549,712.64
  4. Step 4: Simplify right side
    979,515.54x = 743,023,111,117.08
  5. Step 5: Solve for x
    x = 743,023,111,117.08/979,515.54
  6. Step 6: Final answer
    x = 758,561.84

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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.