Home / 906,991.60-1,360,631.40-308,009.20

Finding the Fourth Proportional to 906,991.60, 1,360,631.40 and 308,009.20

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Solution

The fourth proportional to 906,991.60, 1,360,631.40 and 308,009.20 is: 462,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,991.60 : 1,360,631.40 = 308,009.20 : x
  2. Step 2: Convert to fraction form
    906,991.60/1,360,631.40 = 308,009.20/x
  3. Step 3: Cross multiply
    906,991.60x = 1,360,631.40 × 308,009.20
  4. Step 4: Simplify right side
    906,991.60x = 419,086,989,008.88
  5. Step 5: Solve for x
    x = 419,086,989,008.88/906,991.60
  6. Step 6: Final answer
    x = 462,062.70

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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.