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Finding the Fourth Proportional to 605,729.40, 835,907.76 and 364,015.68

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Solution

The fourth proportional to 605,729.40, 835,907.76 and 364,015.68 is: 502,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,729.40 : 835,907.76 = 364,015.68 : x
  2. Step 2: Convert to fraction form
    605,729.40/835,907.76 = 364,015.68/x
  3. Step 3: Cross multiply
    605,729.40x = 835,907.76 × 364,015.68
  4. Step 4: Simplify right side
    605,729.40x = 304,283,531,673.68
  5. Step 5: Solve for x
    x = 304,283,531,673.68/605,729.40
  6. Step 6: Final answer
    x = 502,342.35

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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.