Home / 806,592.66-1,210,143.28-380,111.26

Finding the Fourth Proportional to 806,592.66, 1,210,143.28 and 380,111.26

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Solution

The fourth proportional to 806,592.66, 1,210,143.28 and 380,111.26 is: 570,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,592.66 : 1,210,143.28 = 380,111.26 : x
  2. Step 2: Convert to fraction form
    806,592.66/1,210,143.28 = 380,111.26/x
  3. Step 3: Cross multiply
    806,592.66x = 1,210,143.28 × 380,111.26
  4. Step 4: Simplify right side
    806,592.66x = 459,989,083,612.96
  5. Step 5: Solve for x
    x = 459,989,083,612.96/806,592.66
  6. Step 6: Final answer
    x = 570,286.72

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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.