Home / 671,135.80-1,004,079.30-434,939.80

Finding the Fourth Proportional to 671,135.80, 1,004,079.30 and 434,939.80

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Solution

The fourth proportional to 671,135.80, 1,004,079.30 and 434,939.80 is: 650,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,135.80 : 1,004,079.30 = 434,939.80 : x
  2. Step 2: Convert to fraction form
    671,135.80/1,004,079.30 = 434,939.80/x
  3. Step 3: Cross multiply
    671,135.80x = 1,004,079.30 × 434,939.80
  4. Step 4: Simplify right side
    671,135.80x = 436,714,049,926.14
  5. Step 5: Solve for x
    x = 436,714,049,926.14/671,135.80
  6. Step 6: Final answer
    x = 650,708.92

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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.