Home / 778,255.40-1,167,383.10-549,932.60

Finding the Fourth Proportional to 778,255.40, 1,167,383.10 and 549,932.60

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Solution

The fourth proportional to 778,255.40, 1,167,383.10 and 549,932.60 is: 824,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,255.40 : 1,167,383.10 = 549,932.60 : x
  2. Step 2: Convert to fraction form
    778,255.40/1,167,383.10 = 549,932.60/x
  3. Step 3: Cross multiply
    778,255.40x = 1,167,383.10 × 549,932.60
  4. Step 4: Simplify right side
    778,255.40x = 641,982,023,379.06
  5. Step 5: Solve for x
    x = 641,982,023,379.06/778,255.40
  6. Step 6: Final answer
    x = 824,898.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.