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Finding the Fourth Proportional to 632,384.38, 872,671.89 and 345,898.27

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Solution

The fourth proportional to 632,384.38, 872,671.89 and 345,898.27 is: 477,329.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,384.38 : 872,671.89 = 345,898.27 : x
  2. Step 2: Convert to fraction form
    632,384.38/872,671.89 = 345,898.27/x
  3. Step 3: Cross multiply
    632,384.38x = 872,671.89 × 345,898.27
  4. Step 4: Simplify right side
    632,384.38x = 301,855,697,028.63
  5. Step 5: Solve for x
    x = 301,855,697,028.63/632,384.38
  6. Step 6: Final answer
    x = 477,329.46

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1.5x scale

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.