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Finding the Fourth Proportional to 702,929.00, 970,046.63 and 380,639.12

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Solution

The fourth proportional to 702,929.00, 970,046.63 and 380,639.12 is: 525,284.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,929.00 : 970,046.63 = 380,639.12 : x
  2. Step 2: Convert to fraction form
    702,929.00/970,046.63 = 380,639.12/x
  3. Step 3: Cross multiply
    702,929.00x = 970,046.63 × 380,639.12
  4. Step 4: Simplify right side
    702,929.00x = 369,237,690,751.93
  5. Step 5: Solve for x
    x = 369,237,690,751.93/702,929.00
  6. Step 6: Final answer
    x = 525,284.47

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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.