Home / 684,416.33-1,026,281.86-211,040.18

Finding the Fourth Proportional to 684,416.33, 1,026,281.86 and 211,040.18

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Solution

The fourth proportional to 684,416.33, 1,026,281.86 and 211,040.18 is: 316,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,416.33 : 1,026,281.86 = 211,040.18 : x
  2. Step 2: Convert to fraction form
    684,416.33/1,026,281.86 = 211,040.18/x
  3. Step 3: Cross multiply
    684,416.33x = 1,026,281.86 × 211,040.18
  4. Step 4: Simplify right side
    684,416.33x = 216,586,702,806.13
  5. Step 5: Solve for x
    x = 216,586,702,806.13/684,416.33
  6. Step 6: Final answer
    x = 316,454.61

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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.