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Finding the Fourth Proportional to 570,069.66, 853,399.71 and 344,748.18

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Solution

The fourth proportional to 570,069.66, 853,399.71 and 344,748.18 is: 516,091.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,069.66 : 853,399.71 = 344,748.18 : x
  2. Step 2: Convert to fraction form
    570,069.66/853,399.71 = 344,748.18/x
  3. Step 3: Cross multiply
    570,069.66x = 853,399.71 × 344,748.18
  4. Step 4: Simplify right side
    570,069.66x = 294,207,996,835.03
  5. Step 5: Solve for x
    x = 294,207,996,835.03/570,069.66
  6. Step 6: Final answer
    x = 516,091.31

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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.