Home / 979,657.56-1,351,926.78-549,938.52

Finding the Fourth Proportional to 979,657.56, 1,351,926.78 and 549,938.52

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Solution

The fourth proportional to 979,657.56, 1,351,926.78 and 549,938.52 is: 758,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,657.56 : 1,351,926.78 = 549,938.52 : x
  2. Step 2: Convert to fraction form
    979,657.56/1,351,926.78 = 549,938.52/x
  3. Step 3: Cross multiply
    979,657.56x = 1,351,926.78 × 549,938.52
  4. Step 4: Simplify right side
    979,657.56x = 743,476,612,541.57
  5. Step 5: Solve for x
    x = 743,476,612,541.57/979,657.56
  6. Step 6: Final answer
    x = 758,914.79

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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.