Home / 547,779.60-822,514.20-298,947.60

Finding the Fourth Proportional to 547,779.60, 822,514.20 and 298,947.60

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Solution

The fourth proportional to 547,779.60, 822,514.20 and 298,947.60 is: 448,882.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,779.60 : 822,514.20 = 298,947.60 : x
  2. Step 2: Convert to fraction form
    547,779.60/822,514.20 = 298,947.60/x
  3. Step 3: Cross multiply
    547,779.60x = 822,514.20 × 298,947.60
  4. Step 4: Simplify right side
    547,779.60x = 245,888,646,055.92
  5. Step 5: Solve for x
    x = 245,888,646,055.92/547,779.60
  6. Step 6: Final answer
    x = 448,882.44

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1.5x scale

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.