Home / 644,284.08-965,999.56-307,376.73

Finding the Fourth Proportional to 644,284.08, 965,999.56 and 307,376.73

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Solution

The fourth proportional to 644,284.08, 965,999.56 and 307,376.73 is: 460,861.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,284.08 : 965,999.56 = 307,376.73 : x
  2. Step 2: Convert to fraction form
    644,284.08/965,999.56 = 307,376.73/x
  3. Step 3: Cross multiply
    644,284.08x = 965,999.56 × 307,376.73
  4. Step 4: Simplify right side
    644,284.08x = 296,925,785,934.24
  5. Step 5: Solve for x
    x = 296,925,785,934.24/644,284.08
  6. Step 6: Final answer
    x = 460,861.59

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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.