Home / 873,233.90-1,307,226.45-518,065.10

Finding the Fourth Proportional to 873,233.90, 1,307,226.45 and 518,065.10

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Solution

The fourth proportional to 873,233.90, 1,307,226.45 and 518,065.10 is: 775,540.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,233.90 : 1,307,226.45 = 518,065.10 : x
  2. Step 2: Convert to fraction form
    873,233.90/1,307,226.45 = 518,065.10/x
  3. Step 3: Cross multiply
    873,233.90x = 1,307,226.45 × 518,065.10
  4. Step 4: Simplify right side
    873,233.90x = 677,228,401,541.90
  5. Step 5: Solve for x
    x = 677,228,401,541.90/873,233.90
  6. Step 6: Final answer
    x = 775,540.67

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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.