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Finding the Fourth Proportional to 656,993.02, 906,641.89 and 370,605.37

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Solution

The fourth proportional to 656,993.02, 906,641.89 and 370,605.37 is: 511,430.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,993.02 : 906,641.89 = 370,605.37 : x
  2. Step 2: Convert to fraction form
    656,993.02/906,641.89 = 370,605.37/x
  3. Step 3: Cross multiply
    656,993.02x = 906,641.89 × 370,605.37
  4. Step 4: Simplify right side
    656,993.02x = 336,006,353,100.95
  5. Step 5: Solve for x
    x = 336,006,353,100.95/656,993.02
  6. Step 6: Final answer
    x = 511,430.63

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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.