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Finding the Fourth Proportional to 504,852.52, 696,572.16 and 308,569.28

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Solution

The fourth proportional to 504,852.52, 696,572.16 and 308,569.28 is: 425,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,852.52 : 696,572.16 = 308,569.28 : x
  2. Step 2: Convert to fraction form
    504,852.52/696,572.16 = 308,569.28/x
  3. Step 3: Cross multiply
    504,852.52x = 696,572.16 × 308,569.28
  4. Step 4: Simplify right side
    504,852.52x = 214,940,769,879.25
  5. Step 5: Solve for x
    x = 214,940,769,879.25/504,852.52
  6. Step 6: Final answer
    x = 425,749.62

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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.