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Finding the Fourth Proportional to 567,065.60, 849,286.20 and 388,606.40

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Solution

The fourth proportional to 567,065.60, 849,286.20 and 388,606.40 is: 582,010.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,065.60 : 849,286.20 = 388,606.40 : x
  2. Step 2: Convert to fraction form
    567,065.60/849,286.20 = 388,606.40/x
  3. Step 3: Cross multiply
    567,065.60x = 849,286.20 × 388,606.40
  4. Step 4: Simplify right side
    567,065.60x = 330,038,052,751.68
  5. Step 5: Solve for x
    x = 330,038,052,751.68/567,065.60
  6. Step 6: Final answer
    x = 582,010.36

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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.