Home / 684,244.80-1,026,464.40-210,880.80

Finding the Fourth Proportional to 684,244.80, 1,026,464.40 and 210,880.80

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Solution

The fourth proportional to 684,244.80, 1,026,464.40 and 210,880.80 is: 316,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,244.80 : 1,026,464.40 = 210,880.80 : x
  2. Step 2: Convert to fraction form
    684,244.80/1,026,464.40 = 210,880.80/x
  3. Step 3: Cross multiply
    684,244.80x = 1,026,464.40 × 210,880.80
  4. Step 4: Simplify right side
    684,244.80x = 216,461,633,843.52
  5. Step 5: Solve for x
    x = 216,461,633,843.52/684,244.80
  6. Step 6: Final answer
    x = 316,351.16

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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.