Home / 903,930.84-1,247,421.06-496,039.56

Finding the Fourth Proportional to 903,930.84, 1,247,421.06 and 496,039.56

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Solution

The fourth proportional to 903,930.84, 1,247,421.06 and 496,039.56 is: 684,532.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,930.84 : 1,247,421.06 = 496,039.56 : x
  2. Step 2: Convert to fraction form
    903,930.84/1,247,421.06 = 496,039.56/x
  3. Step 3: Cross multiply
    903,930.84x = 1,247,421.06 × 496,039.56
  4. Step 4: Simplify right side
    903,930.84x = 618,770,193,737.13
  5. Step 5: Solve for x
    x = 618,770,193,737.13/903,930.84
  6. Step 6: Final answer
    x = 684,532.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.