Home / 913,051.44-1,369,749.29-281,817.63

Finding the Fourth Proportional to 913,051.44, 1,369,749.29 and 281,817.63

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Solution

The fourth proportional to 913,051.44, 1,369,749.29 and 281,817.63 is: 422,779.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,051.44 : 1,369,749.29 = 281,817.63 : x
  2. Step 2: Convert to fraction form
    913,051.44/1,369,749.29 = 281,817.63/x
  3. Step 3: Cross multiply
    913,051.44x = 1,369,749.29 × 281,817.63
  4. Step 4: Simplify right side
    913,051.44x = 386,019,497,192.90
  5. Step 5: Solve for x
    x = 386,019,497,192.90/913,051.44
  6. Step 6: Final answer
    x = 422,779.57

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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.