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Finding the Fourth Proportional to 605,722.49, 835,895.30 and 333,790.30

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Solution

The fourth proportional to 605,722.49, 835,895.30 and 333,790.30 is: 460,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,722.49 : 835,895.30 = 333,790.30 : x
  2. Step 2: Convert to fraction form
    605,722.49/835,895.30 = 333,790.30/x
  3. Step 3: Cross multiply
    605,722.49x = 835,895.30 × 333,790.30
  4. Step 4: Simplify right side
    605,722.49x = 279,013,742,955.59
  5. Step 5: Solve for x
    x = 279,013,742,955.59/605,722.49
  6. Step 6: Final answer
    x = 460,629.66

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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.