Home / 851,260.77-1,277,267.30-446,356.28

Finding the Fourth Proportional to 851,260.77, 1,277,267.30 and 446,356.28

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Solution

The fourth proportional to 851,260.77, 1,277,267.30 and 446,356.28 is: 669,731.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,260.77 : 1,277,267.30 = 446,356.28 : x
  2. Step 2: Convert to fraction form
    851,260.77/1,277,267.30 = 446,356.28/x
  3. Step 3: Cross multiply
    851,260.77x = 1,277,267.30 × 446,356.28
  4. Step 4: Simplify right side
    851,260.77x = 570,116,280,593.64
  5. Step 5: Solve for x
    x = 570,116,280,593.64/851,260.77
  6. Step 6: Final answer
    x = 669,731.65

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1.5x scale

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.