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Finding the Fourth Proportional to 474,623.40, 712,435.41 and 463,912.59

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Solution

The fourth proportional to 474,623.40, 712,435.41 and 463,912.59 is: 696,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,623.40 : 712,435.41 = 463,912.59 : x
  2. Step 2: Convert to fraction form
    474,623.40/712,435.41 = 463,912.59/x
  3. Step 3: Cross multiply
    474,623.40x = 712,435.41 × 463,912.59
  4. Step 4: Simplify right side
    474,623.40x = 330,507,756,260.81
  5. Step 5: Solve for x
    x = 330,507,756,260.81/474,623.40
  6. Step 6: Final answer
    x = 696,357.90

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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.