Home / 781,230.37-1,078,054.26-436,999.82

Finding the Fourth Proportional to 781,230.37, 1,078,054.26 and 436,999.82

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Solution

The fourth proportional to 781,230.37, 1,078,054.26 and 436,999.82 is: 603,035.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,230.37 : 1,078,054.26 = 436,999.82 : x
  2. Step 2: Convert to fraction form
    781,230.37/1,078,054.26 = 436,999.82/x
  3. Step 3: Cross multiply
    781,230.37x = 1,078,054.26 × 436,999.82
  4. Step 4: Simplify right side
    781,230.37x = 471,109,517,570.23
  5. Step 5: Solve for x
    x = 471,109,517,570.23/781,230.37
  6. Step 6: Final answer
    x = 603,035.34

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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.