Home / 526,207.81-789,510.55-315,992.29

Finding the Fourth Proportional to 526,207.81, 789,510.55 and 315,992.29

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Solution

The fourth proportional to 526,207.81, 789,510.55 and 315,992.29 is: 474,107.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,207.81 : 789,510.55 = 315,992.29 : x
  2. Step 2: Convert to fraction form
    526,207.81/789,510.55 = 315,992.29/x
  3. Step 3: Cross multiply
    526,207.81x = 789,510.55 × 315,992.29
  4. Step 4: Simplify right side
    526,207.81x = 249,479,246,673.66
  5. Step 5: Solve for x
    x = 249,479,246,673.66/526,207.81
  6. Step 6: Final answer
    x = 474,107.84

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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.