Home / 748,739.62-1,033,245.48-409,210.30

Finding the Fourth Proportional to 748,739.62, 1,033,245.48 and 409,210.30

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Solution

The fourth proportional to 748,739.62, 1,033,245.48 and 409,210.30 is: 564,701.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,739.62 : 1,033,245.48 = 409,210.30 : x
  2. Step 2: Convert to fraction form
    748,739.62/1,033,245.48 = 409,210.30/x
  3. Step 3: Cross multiply
    748,739.62x = 1,033,245.48 × 409,210.30
  4. Step 4: Simplify right side
    748,739.62x = 422,814,692,844.44
  5. Step 5: Solve for x
    x = 422,814,692,844.44/748,739.62
  6. Step 6: Final answer
    x = 564,701.91

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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.