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Finding the Fourth Proportional to 702,910.60, 970,017.14 and 380,623.24

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Solution

The fourth proportional to 702,910.60, 970,017.14 and 380,623.24 is: 525,260.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,910.60 : 970,017.14 = 380,623.24 : x
  2. Step 2: Convert to fraction form
    702,910.60/970,017.14 = 380,623.24/x
  3. Step 3: Cross multiply
    702,910.60x = 970,017.14 × 380,623.24
  4. Step 4: Simplify right side
    702,910.60x = 369,211,066,682.33
  5. Step 5: Solve for x
    x = 369,211,066,682.33/702,910.60
  6. Step 6: Final answer
    x = 525,260.35

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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.