Home / 734,670.30-1,102,005.45-520,052.70

Finding the Fourth Proportional to 734,670.30, 1,102,005.45 and 520,052.70

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Solution

The fourth proportional to 734,670.30, 1,102,005.45 and 520,052.70 is: 780,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,670.30 : 1,102,005.45 = 520,052.70 : x
  2. Step 2: Convert to fraction form
    734,670.30/1,102,005.45 = 520,052.70/x
  3. Step 3: Cross multiply
    734,670.30x = 1,102,005.45 × 520,052.70
  4. Step 4: Simplify right side
    734,670.30x = 573,100,909,687.22
  5. Step 5: Solve for x
    x = 573,100,909,687.22/734,670.30
  6. Step 6: Final answer
    x = 780,079.05

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Similar ratio
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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.