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Finding the Fourth Proportional to 471,801.30, 704,281.29 and 436,679.49

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Solution

The fourth proportional to 471,801.30, 704,281.29 and 436,679.49 is: 651,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,801.30 : 704,281.29 = 436,679.49 : x
  2. Step 2: Convert to fraction form
    471,801.30/704,281.29 = 436,679.49/x
  3. Step 3: Cross multiply
    471,801.30x = 704,281.29 × 436,679.49
  4. Step 4: Simplify right side
    471,801.30x = 307,545,194,533.74
  5. Step 5: Solve for x
    x = 307,545,194,533.74/471,801.30
  6. Step 6: Final answer
    x = 651,853.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.