Home / 838,705.56-1,257,879.69-239,507.64

Finding the Fourth Proportional to 838,705.56, 1,257,879.69 and 239,507.64

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Solution

The fourth proportional to 838,705.56, 1,257,879.69 and 239,507.64 is: 359,210.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,705.56 : 1,257,879.69 = 239,507.64 : x
  2. Step 2: Convert to fraction form
    838,705.56/1,257,879.69 = 239,507.64/x
  3. Step 3: Cross multiply
    838,705.56x = 1,257,879.69 × 239,507.64
  4. Step 4: Simplify right side
    838,705.56x = 301,271,795,955.83
  5. Step 5: Solve for x
    x = 301,271,795,955.83/838,705.56
  6. Step 6: Final answer
    x = 359,210.44

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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.