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Finding the Fourth Proportional to 702,900.34, 970,001.08 and 380,609.44

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Solution

The fourth proportional to 702,900.34, 970,001.08 and 380,609.44 is: 525,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,900.34 : 970,001.08 = 380,609.44 : x
  2. Step 2: Convert to fraction form
    702,900.34/970,001.08 = 380,609.44/x
  3. Step 3: Cross multiply
    702,900.34x = 970,001.08 × 380,609.44
  4. Step 4: Simplify right side
    702,900.34x = 369,191,567,858.20
  5. Step 5: Solve for x
    x = 369,191,567,858.20/702,900.34
  6. Step 6: Final answer
    x = 525,240.27

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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.