Home / 698,491.04-963,749.46-407,937.82

Finding the Fourth Proportional to 698,491.04, 963,749.46 and 407,937.82

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Solution

The fourth proportional to 698,491.04, 963,749.46 and 407,937.82 is: 562,855.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,491.04 : 963,749.46 = 407,937.82 : x
  2. Step 2: Convert to fraction form
    698,491.04/963,749.46 = 407,937.82/x
  3. Step 3: Cross multiply
    698,491.04x = 963,749.46 × 407,937.82
  4. Step 4: Simplify right side
    698,491.04x = 393,149,853,738.58
  5. Step 5: Solve for x
    x = 393,149,853,738.58/698,491.04
  6. Step 6: Final answer
    x = 562,855.97

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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.