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Finding the Fourth Proportional to 508,487, 699,223.74 and 441,302.36

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Solution

The fourth proportional to 508,487, 699,223.74 and 441,302.36 is: 606,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,487 : 699,223.74 = 441,302.36 : x
  2. Step 2: Convert to fraction form
    508,487/699,223.74 = 441,302.36/x
  3. Step 3: Cross multiply
    508,487x = 699,223.74 × 441,302.36
  4. Step 4: Simplify right side
    508,487x = 308,569,086,630.03
  5. Step 5: Solve for x
    x = 308,569,086,630.03/508,487
  6. Step 6: Final answer
    x = 606,837.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.