Home / 907,007.60-1,360,655.40-308,025.20

Finding the Fourth Proportional to 907,007.60, 1,360,655.40 and 308,025.20

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Solution

The fourth proportional to 907,007.60, 1,360,655.40 and 308,025.20 is: 462,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,007.60 : 1,360,655.40 = 308,025.20 : x
  2. Step 2: Convert to fraction form
    907,007.60/1,360,655.40 = 308,025.20/x
  3. Step 3: Cross multiply
    907,007.60x = 1,360,655.40 × 308,025.20
  4. Step 4: Simplify right side
    907,007.60x = 419,116,151,716.08
  5. Step 5: Solve for x
    x = 419,116,151,716.08/907,007.60
  6. Step 6: Final answer
    x = 462,086.70

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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.