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Finding the Fourth Proportional to 652,178.39, 900,006.29 and 365,698.60

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Solution

The fourth proportional to 652,178.39, 900,006.29 and 365,698.60 is: 504,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,178.39 : 900,006.29 = 365,698.60 : x
  2. Step 2: Convert to fraction form
    652,178.39/900,006.29 = 365,698.60/x
  3. Step 3: Cross multiply
    652,178.39x = 900,006.29 × 365,698.60
  4. Step 4: Simplify right side
    652,178.39x = 329,131,037,537.06
  5. Step 5: Solve for x
    x = 329,131,037,537.06/652,178.39
  6. Step 6: Final answer
    x = 504,664.13

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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.