Home / 1,003,280.31-1,505,412.54-470,844.63

Finding the Fourth Proportional to 1,003,280.31, 1,505,412.54 and 470,844.63

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Solution

The fourth proportional to 1,003,280.31, 1,505,412.54 and 470,844.63 is: 706,497.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,280.31 : 1,505,412.54 = 470,844.63 : x
  2. Step 2: Convert to fraction form
    1,003,280.31/1,505,412.54 = 470,844.63/x
  3. Step 3: Cross multiply
    1,003,280.31x = 1,505,412.54 × 470,844.63
  4. Step 4: Simplify right side
    1,003,280.31x = 708,815,410,393.66
  5. Step 5: Solve for x
    x = 708,815,410,393.66/1,003,280.31
  6. Step 6: Final answer
    x = 706,497.88

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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.