Home / 871,815.53-1,307,727.47-264,609.12

Finding the Fourth Proportional to 871,815.53, 1,307,727.47 and 264,609.12

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Solution

The fourth proportional to 871,815.53, 1,307,727.47 and 264,609.12 is: 396,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,815.53 : 1,307,727.47 = 264,609.12 : x
  2. Step 2: Convert to fraction form
    871,815.53/1,307,727.47 = 264,609.12/x
  3. Step 3: Cross multiply
    871,815.53x = 1,307,727.47 × 264,609.12
  4. Step 4: Simplify right side
    871,815.53x = 346,036,615,036.53
  5. Step 5: Solve for x
    x = 346,036,615,036.53/871,815.53
  6. Step 6: Final answer
    x = 396,914.95

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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.