Home / 684,295.57-1,026,377.61-210,853.81

Finding the Fourth Proportional to 684,295.57, 1,026,377.61 and 210,853.81

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Solution

The fourth proportional to 684,295.57, 1,026,377.61 and 210,853.81 is: 316,260.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,295.57 : 1,026,377.61 = 210,853.81 : x
  2. Step 2: Convert to fraction form
    684,295.57/1,026,377.61 = 210,853.81/x
  3. Step 3: Cross multiply
    684,295.57x = 1,026,377.61 × 210,853.81
  4. Step 4: Simplify right side
    684,295.57x = 216,415,629,567.19
  5. Step 5: Solve for x
    x = 216,415,629,567.19/684,295.57
  6. Step 6: Final answer
    x = 316,260.46

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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.