Home / 792,585.40-1,188,968.31-287,384.32

Finding the Fourth Proportional to 792,585.40, 1,188,968.31 and 287,384.32

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Solution

The fourth proportional to 792,585.40, 1,188,968.31 and 287,384.32 is: 431,109.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,585.40 : 1,188,968.31 = 287,384.32 : x
  2. Step 2: Convert to fraction form
    792,585.40/1,188,968.31 = 287,384.32/x
  3. Step 3: Cross multiply
    792,585.40x = 1,188,968.31 × 287,384.32
  4. Step 4: Simplify right side
    792,585.40x = 341,690,849,270.90
  5. Step 5: Solve for x
    x = 341,690,849,270.90/792,585.40
  6. Step 6: Final answer
    x = 431,109.19

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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.