Home / 862,878.36-1,294,900.74-301,917.72

Finding the Fourth Proportional to 862,878.36, 1,294,900.74 and 301,917.72

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Solution

The fourth proportional to 862,878.36, 1,294,900.74 and 301,917.72 is: 453,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,878.36 : 1,294,900.74 = 301,917.72 : x
  2. Step 2: Convert to fraction form
    862,878.36/1,294,900.74 = 301,917.72/x
  3. Step 3: Cross multiply
    862,878.36x = 1,294,900.74 × 301,917.72
  4. Step 4: Simplify right side
    862,878.36x = 390,953,479,047.11
  5. Step 5: Solve for x
    x = 390,953,479,047.11/862,878.36
  6. Step 6: Final answer
    x = 453,080.64

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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.