Home / 521,029-719,020.02-294,669.64

Finding the Fourth Proportional to 521,029, 719,020.02 and 294,669.64

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Solution

The fourth proportional to 521,029, 719,020.02 and 294,669.64 is: 406,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,029 : 719,020.02 = 294,669.64 : x
  2. Step 2: Convert to fraction form
    521,029/719,020.02 = 294,669.64/x
  3. Step 3: Cross multiply
    521,029x = 719,020.02 × 294,669.64
  4. Step 4: Simplify right side
    521,029x = 211,873,370,446.19
  5. Step 5: Solve for x
    x = 211,873,370,446.19/521,029
  6. Step 6: Final answer
    x = 406,644.10

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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.