Home / 684,828.18-1,027,382.38-235,490.69

Finding the Fourth Proportional to 684,828.18, 1,027,382.38 and 235,490.69

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Solution

The fourth proportional to 684,828.18, 1,027,382.38 and 235,490.69 is: 353,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,828.18 : 1,027,382.38 = 235,490.69 : x
  2. Step 2: Convert to fraction form
    684,828.18/1,027,382.38 = 235,490.69/x
  3. Step 3: Cross multiply
    684,828.18x = 1,027,382.38 × 235,490.69
  4. Step 4: Simplify right side
    684,828.18x = 241,938,987,374.20
  5. Step 5: Solve for x
    x = 241,938,987,374.20/684,828.18
  6. Step 6: Final answer
    x = 353,284.22

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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.