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Finding the Fourth Proportional to 660,151.44, 911,030.69 and 373,665.37

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Solution

The fourth proportional to 660,151.44, 911,030.69 and 373,665.37 is: 515,670.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,151.44 : 911,030.69 = 373,665.37 : x
  2. Step 2: Convert to fraction form
    660,151.44/911,030.69 = 373,665.37/x
  3. Step 3: Cross multiply
    660,151.44x = 911,030.69 × 373,665.37
  4. Step 4: Simplify right side
    660,151.44x = 340,420,619,860.21
  5. Step 5: Solve for x
    x = 340,420,619,860.21/660,151.44
  6. Step 6: Final answer
    x = 515,670.50

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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.