Home / 806,487.91-1,209,730.39-238,268.16

Finding the Fourth Proportional to 806,487.91, 1,209,730.39 and 238,268.16

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Solution

The fourth proportional to 806,487.91, 1,209,730.39 and 238,268.16 is: 357,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,487.91 : 1,209,730.39 = 238,268.16 : x
  2. Step 2: Convert to fraction form
    806,487.91/1,209,730.39 = 238,268.16/x
  3. Step 3: Cross multiply
    806,487.91x = 1,209,730.39 × 238,268.16
  4. Step 4: Simplify right side
    806,487.91x = 288,240,233,525.71
  5. Step 5: Solve for x
    x = 288,240,233,525.71/806,487.91
  6. Step 6: Final answer
    x = 357,401.80

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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.