Home / 751,630.32-1,037,297.88-496,534.32

Finding the Fourth Proportional to 751,630.32, 1,037,297.88 and 496,534.32

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Solution

The fourth proportional to 751,630.32, 1,037,297.88 and 496,534.32 is: 685,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,630.32 : 1,037,297.88 = 496,534.32 : x
  2. Step 2: Convert to fraction form
    751,630.32/1,037,297.88 = 496,534.32/x
  3. Step 3: Cross multiply
    751,630.32x = 1,037,297.88 × 496,534.32
  4. Step 4: Simplify right side
    751,630.32x = 515,053,997,483.24
  5. Step 5: Solve for x
    x = 515,053,997,483.24/751,630.32
  6. Step 6: Final answer
    x = 685,249.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.