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Finding the Fourth Proportional to 702,969.57, 970,098.53 and 380,680.02

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Solution

The fourth proportional to 702,969.57, 970,098.53 and 380,680.02 is: 525,338.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,969.57 : 970,098.53 = 380,680.02 : x
  2. Step 2: Convert to fraction form
    702,969.57/970,098.53 = 380,680.02/x
  3. Step 3: Cross multiply
    702,969.57x = 970,098.53 × 380,680.02
  4. Step 4: Simplify right side
    702,969.57x = 369,297,127,802.37
  5. Step 5: Solve for x
    x = 369,297,127,802.37/702,969.57
  6. Step 6: Final answer
    x = 525,338.71

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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.