Home / 782,607.50-1,171,295.54-445,557.67

Finding the Fourth Proportional to 782,607.50, 1,171,295.54 and 445,557.67

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Solution

The fourth proportional to 782,607.50, 1,171,295.54 and 445,557.67 is: 666,847.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,607.50 : 1,171,295.54 = 445,557.67 : x
  2. Step 2: Convert to fraction form
    782,607.50/1,171,295.54 = 445,557.67/x
  3. Step 3: Cross multiply
    782,607.50x = 1,171,295.54 × 445,557.67
  4. Step 4: Simplify right side
    782,607.50x = 521,879,711,683.79
  5. Step 5: Solve for x
    x = 521,879,711,683.79/782,607.50
  6. Step 6: Final answer
    x = 666,847.32

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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.