Home / 904,727.76-1,355,024.52-431,745.27

Finding the Fourth Proportional to 904,727.76, 1,355,024.52 and 431,745.27

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Solution

The fourth proportional to 904,727.76, 1,355,024.52 and 431,745.27 is: 646,631.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,727.76 : 1,355,024.52 = 431,745.27 : x
  2. Step 2: Convert to fraction form
    904,727.76/1,355,024.52 = 431,745.27/x
  3. Step 3: Cross multiply
    904,727.76x = 1,355,024.52 × 431,745.27
  4. Step 4: Simplify right side
    904,727.76x = 585,025,427,244.02
  5. Step 5: Solve for x
    x = 585,025,427,244.02/904,727.76
  6. Step 6: Final answer
    x = 646,631.45

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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.