Home / 979,666.56-1,351,939.20-549,947.52

Finding the Fourth Proportional to 979,666.56, 1,351,939.20 and 549,947.52

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Solution

The fourth proportional to 979,666.56, 1,351,939.20 and 549,947.52 is: 758,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,666.56 : 1,351,939.20 = 549,947.52 : x
  2. Step 2: Convert to fraction form
    979,666.56/1,351,939.20 = 549,947.52/x
  3. Step 3: Cross multiply
    979,666.56x = 1,351,939.20 × 549,947.52
  4. Step 4: Simplify right side
    979,666.56x = 743,495,610,230.78
  5. Step 5: Solve for x
    x = 743,495,610,230.78/979,666.56
  6. Step 6: Final answer
    x = 758,927.21

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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.