Home / 851,272.54-1,277,284.92-446,368.06

Finding the Fourth Proportional to 851,272.54, 1,277,284.92 and 446,368.06

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Solution

The fourth proportional to 851,272.54, 1,277,284.92 and 446,368.06 is: 669,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,272.54 : 1,277,284.92 = 446,368.06 : x
  2. Step 2: Convert to fraction form
    851,272.54/1,277,284.92 = 446,368.06/x
  3. Step 3: Cross multiply
    851,272.54x = 1,277,284.92 × 446,368.06
  4. Step 4: Simplify right side
    851,272.54x = 570,139,191,807.66
  5. Step 5: Solve for x
    x = 570,139,191,807.66/851,272.54
  6. Step 6: Final answer
    x = 669,749.30

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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.