Home / 906,989.60-1,360,628.40-308,007.20

Finding the Fourth Proportional to 906,989.60, 1,360,628.40 and 308,007.20

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Solution

The fourth proportional to 906,989.60, 1,360,628.40 and 308,007.20 is: 462,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,989.60 : 1,360,628.40 = 308,007.20 : x
  2. Step 2: Convert to fraction form
    906,989.60/1,360,628.40 = 308,007.20/x
  3. Step 3: Cross multiply
    906,989.60x = 1,360,628.40 × 308,007.20
  4. Step 4: Simplify right side
    906,989.60x = 419,083,343,724.48
  5. Step 5: Solve for x
    x = 419,083,343,724.48/906,989.60
  6. Step 6: Final answer
    x = 462,059.70

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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.