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Finding the Fourth Proportional to 605,520, 907,601.10 and 245,607.23

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Solution

The fourth proportional to 605,520, 907,601.10 and 245,607.23 is: 368,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,520 : 907,601.10 = 245,607.23 : x
  2. Step 2: Convert to fraction form
    605,520/907,601.10 = 245,607.23/x
  3. Step 3: Cross multiply
    605,520x = 907,601.10 × 245,607.23
  4. Step 4: Simplify right side
    605,520x = 222,913,387,577.95
  5. Step 5: Solve for x
    x = 222,913,387,577.95/605,520
  6. Step 6: Final answer
    x = 368,135.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.