Home / 806,830.31-1,210,376.82-238,268.93

Finding the Fourth Proportional to 806,830.31, 1,210,376.82 and 238,268.93

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Solution

The fourth proportional to 806,830.31, 1,210,376.82 and 238,268.93 is: 357,442.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,830.31 : 1,210,376.82 = 238,268.93 : x
  2. Step 2: Convert to fraction form
    806,830.31/1,210,376.82 = 238,268.93/x
  3. Step 3: Cross multiply
    806,830.31x = 1,210,376.82 × 238,268.93
  4. Step 4: Simplify right side
    806,830.31x = 288,395,183,746.32
  5. Step 5: Solve for x
    x = 288,395,183,746.32/806,830.31
  6. Step 6: Final answer
    x = 357,442.18

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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.