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Finding the Fourth Proportional to 605,265, 835,015.08 and 360,200.76

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Solution

The fourth proportional to 605,265, 835,015.08 and 360,200.76 is: 496,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,265 : 835,015.08 = 360,200.76 : x
  2. Step 2: Convert to fraction form
    605,265/835,015.08 = 360,200.76/x
  3. Step 3: Cross multiply
    605,265x = 835,015.08 × 360,200.76
  4. Step 4: Simplify right side
    605,265x = 300,773,066,427.46
  5. Step 5: Solve for x
    x = 300,773,066,427.46/605,265
  6. Step 6: Final answer
    x = 496,927.90

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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.