Home / 825,344.70-1,238,017.05-711,183.30

Finding the Fourth Proportional to 825,344.70, 1,238,017.05 and 711,183.30

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Solution

The fourth proportional to 825,344.70, 1,238,017.05 and 711,183.30 is: 1,066,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,344.70 : 1,238,017.05 = 711,183.30 : x
  2. Step 2: Convert to fraction form
    825,344.70/1,238,017.05 = 711,183.30/x
  3. Step 3: Cross multiply
    825,344.70x = 1,238,017.05 × 711,183.30
  4. Step 4: Simplify right side
    825,344.70x = 880,457,051,075.27
  5. Step 5: Solve for x
    x = 880,457,051,075.27/825,344.70
  6. Step 6: Final answer
    x = 1,066,774.95

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Double scale
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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.