Home / 965,160.32-1,447,704.07-291,223.65

Finding the Fourth Proportional to 965,160.32, 1,447,704.07 and 291,223.65

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Solution

The fourth proportional to 965,160.32, 1,447,704.07 and 291,223.65 is: 436,824.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,160.32 : 1,447,704.07 = 291,223.65 : x
  2. Step 2: Convert to fraction form
    965,160.32/1,447,704.07 = 291,223.65/x
  3. Step 3: Cross multiply
    965,160.32x = 1,447,704.07 × 291,223.65
  4. Step 4: Simplify right side
    965,160.32x = 421,605,663,385.26
  5. Step 5: Solve for x
    x = 421,605,663,385.26/965,160.32
  6. Step 6: Final answer
    x = 436,824.49

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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.