Home / 741,899.60-1,023,821.64-402,364.88

Finding the Fourth Proportional to 741,899.60, 1,023,821.64 and 402,364.88

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Solution

The fourth proportional to 741,899.60, 1,023,821.64 and 402,364.88 is: 555,263.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,899.60 : 1,023,821.64 = 402,364.88 : x
  2. Step 2: Convert to fraction form
    741,899.60/1,023,821.64 = 402,364.88/x
  3. Step 3: Cross multiply
    741,899.60x = 1,023,821.64 × 402,364.88
  4. Step 4: Simplify right side
    741,899.60x = 411,949,871,320.00
  5. Step 5: Solve for x
    x = 411,949,871,320.00/741,899.60
  6. Step 6: Final answer
    x = 555,263.64

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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.