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Finding the Fourth Proportional to 503,918.68, 695,143.02 and 299,824.60

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Solution

The fourth proportional to 503,918.68, 695,143.02 and 299,824.60 is: 413,600.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,918.68 : 695,143.02 = 299,824.60 : x
  2. Step 2: Convert to fraction form
    503,918.68/695,143.02 = 299,824.60/x
  3. Step 3: Cross multiply
    503,918.68x = 695,143.02 × 299,824.60
  4. Step 4: Simplify right side
    503,918.68x = 208,420,977,914.29
  5. Step 5: Solve for x
    x = 208,420,977,914.29/503,918.68
  6. Step 6: Final answer
    x = 413,600.42

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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.