Home / 851,258.77-1,277,264.30-446,354.28

Finding the Fourth Proportional to 851,258.77, 1,277,264.30 and 446,354.28

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Solution

The fourth proportional to 851,258.77, 1,277,264.30 and 446,354.28 is: 669,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,258.77 : 1,277,264.30 = 446,354.28 : x
  2. Step 2: Convert to fraction form
    851,258.77/1,277,264.30 = 446,354.28/x
  3. Step 3: Cross multiply
    851,258.77x = 1,277,264.30 × 446,354.28
  4. Step 4: Simplify right side
    851,258.77x = 570,112,384,764.43
  5. Step 5: Solve for x
    x = 570,112,384,764.43/851,258.77
  6. Step 6: Final answer
    x = 669,728.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.