Home / 947,331.66-1,421,093.14-307,608.65

Finding the Fourth Proportional to 947,331.66, 1,421,093.14 and 307,608.65

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Solution

The fourth proportional to 947,331.66, 1,421,093.14 and 307,608.65 is: 461,444.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,331.66 : 1,421,093.14 = 307,608.65 : x
  2. Step 2: Convert to fraction form
    947,331.66/1,421,093.14 = 307,608.65/x
  3. Step 3: Cross multiply
    947,331.66x = 1,421,093.14 × 307,608.65
  4. Step 4: Simplify right side
    947,331.66x = 437,140,541,504.57
  5. Step 5: Solve for x
    x = 437,140,541,504.57/947,331.66
  6. Step 6: Final answer
    x = 461,444.03

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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.