Home / 904,740.26-1,355,043.24-431,757.80

Finding the Fourth Proportional to 904,740.26, 1,355,043.24 and 431,757.80

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Solution

The fourth proportional to 904,740.26, 1,355,043.24 and 431,757.80 is: 646,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,740.26 : 1,355,043.24 = 431,757.80 : x
  2. Step 2: Convert to fraction form
    904,740.26/1,355,043.24 = 431,757.80/x
  3. Step 3: Cross multiply
    904,740.26x = 1,355,043.24 × 431,757.80
  4. Step 4: Simplify right side
    904,740.26x = 585,050,488,207.27
  5. Step 5: Solve for x
    x = 585,050,488,207.27/904,740.26
  6. Step 6: Final answer
    x = 646,650.22

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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.