Home / 874,080.80-1,310,199.60-499,296.80

Finding the Fourth Proportional to 874,080.80, 1,310,199.60 and 499,296.80

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Solution

The fourth proportional to 874,080.80, 1,310,199.60 and 499,296.80 is: 748,418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,080.80 : 1,310,199.60 = 499,296.80 : x
  2. Step 2: Convert to fraction form
    874,080.80/1,310,199.60 = 499,296.80/x
  3. Step 3: Cross multiply
    874,080.80x = 1,310,199.60 × 499,296.80
  4. Step 4: Simplify right side
    874,080.80x = 654,178,467,641.28
  5. Step 5: Solve for x
    x = 654,178,467,641.28/874,080.80
  6. Step 6: Final answer
    x = 748,418.76

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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.