Home / 694,376.20-1,039,814.70-456,430.60

Finding the Fourth Proportional to 694,376.20, 1,039,814.70 and 456,430.60

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Solution

The fourth proportional to 694,376.20, 1,039,814.70 and 456,430.60 is: 683,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,376.20 : 1,039,814.70 = 456,430.60 : x
  2. Step 2: Convert to fraction form
    694,376.20/1,039,814.70 = 456,430.60/x
  3. Step 3: Cross multiply
    694,376.20x = 1,039,814.70 × 456,430.60
  4. Step 4: Simplify right side
    694,376.20x = 474,603,247,409.82
  5. Step 5: Solve for x
    x = 474,603,247,409.82/694,376.20
  6. Step 6: Final answer
    x = 683,495.84

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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.