Home / 763,441.32-1,145,222.04-202,475.82

Finding the Fourth Proportional to 763,441.32, 1,145,222.04 and 202,475.82

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Solution

The fourth proportional to 763,441.32, 1,145,222.04 and 202,475.82 is: 303,729.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,441.32 : 1,145,222.04 = 202,475.82 : x
  2. Step 2: Convert to fraction form
    763,441.32/1,145,222.04 = 202,475.82/x
  3. Step 3: Cross multiply
    763,441.32x = 1,145,222.04 × 202,475.82
  4. Step 4: Simplify right side
    763,441.32x = 231,879,771,631.07
  5. Step 5: Solve for x
    x = 231,879,771,631.07/763,441.32
  6. Step 6: Final answer
    x = 303,729.66

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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.