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Finding the Fourth Proportional to 610,179.92, 842,008.20 and 341,856.08

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Solution

The fourth proportional to 610,179.92, 842,008.20 and 341,856.08 is: 471,738.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,179.92 : 842,008.20 = 341,856.08 : x
  2. Step 2: Convert to fraction form
    610,179.92/842,008.20 = 341,856.08/x
  3. Step 3: Cross multiply
    610,179.92x = 842,008.20 × 341,856.08
  4. Step 4: Simplify right side
    610,179.92x = 287,845,622,579.86
  5. Step 5: Solve for x
    x = 287,845,622,579.86/610,179.92
  6. Step 6: Final answer
    x = 471,738.93

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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.