Home / 872,514.90-1,308,788.76-273,462.84

Finding the Fourth Proportional to 872,514.90, 1,308,788.76 and 273,462.84

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Solution

The fourth proportional to 872,514.90, 1,308,788.76 and 273,462.84 is: 410,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,514.90 : 1,308,788.76 = 273,462.84 : x
  2. Step 2: Convert to fraction form
    872,514.90/1,308,788.76 = 273,462.84/x
  3. Step 3: Cross multiply
    872,514.90x = 1,308,788.76 × 273,462.84
  4. Step 4: Simplify right side
    872,514.90x = 357,905,091,269.68
  5. Step 5: Solve for x
    x = 357,905,091,269.68/872,514.90
  6. Step 6: Final answer
    x = 410,199.40

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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.