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Finding the Fourth Proportional to 603,429.63, 832,640.40 and 348,731.67

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Solution

The fourth proportional to 603,429.63, 832,640.40 and 348,731.67 is: 481,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,429.63 : 832,640.40 = 348,731.67 : x
  2. Step 2: Convert to fraction form
    603,429.63/832,640.40 = 348,731.67/x
  3. Step 3: Cross multiply
    603,429.63x = 832,640.40 × 348,731.67
  4. Step 4: Simplify right side
    603,429.63x = 290,368,077,201.47
  5. Step 5: Solve for x
    x = 290,368,077,201.47/603,429.63
  6. Step 6: Final answer
    x = 481,196.25

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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.