Home / 736,919.70-1,105,379.55-263,642.10

Finding the Fourth Proportional to 736,919.70, 1,105,379.55 and 263,642.10

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Solution

The fourth proportional to 736,919.70, 1,105,379.55 and 263,642.10 is: 395,463.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,919.70 : 1,105,379.55 = 263,642.10 : x
  2. Step 2: Convert to fraction form
    736,919.70/1,105,379.55 = 263,642.10/x
  3. Step 3: Cross multiply
    736,919.70x = 1,105,379.55 × 263,642.10
  4. Step 4: Simplify right side
    736,919.70x = 291,424,585,859.06
  5. Step 5: Solve for x
    x = 291,424,585,859.06/736,919.70
  6. Step 6: Final answer
    x = 395,463.15

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Half scale
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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.