Home / 622,430.60-933,427.20-285,632.60

Finding the Fourth Proportional to 622,430.60, 933,427.20 and 285,632.60

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Solution

The fourth proportional to 622,430.60, 933,427.20 and 285,632.60 is: 428,348.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,430.60 : 933,427.20 = 285,632.60 : x
  2. Step 2: Convert to fraction form
    622,430.60/933,427.20 = 285,632.60/x
  3. Step 3: Cross multiply
    622,430.60x = 933,427.20 × 285,632.60
  4. Step 4: Simplify right side
    622,430.60x = 266,617,238,046.72
  5. Step 5: Solve for x
    x = 266,617,238,046.72/622,430.60
  6. Step 6: Final answer
    x = 428,348.54

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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.