Home / 684,007.98-1,026,122.22-210,692.88

Finding the Fourth Proportional to 684,007.98, 1,026,122.22 and 210,692.88

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Solution

The fourth proportional to 684,007.98, 1,026,122.22 and 210,692.88 is: 316,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,007.98 : 1,026,122.22 = 210,692.88 : x
  2. Step 2: Convert to fraction form
    684,007.98/1,026,122.22 = 210,692.88/x
  3. Step 3: Cross multiply
    684,007.98x = 1,026,122.22 × 210,692.88
  4. Step 4: Simplify right side
    684,007.98x = 216,196,645,763.79
  5. Step 5: Solve for x
    x = 216,196,645,763.79/684,007.98
  6. Step 6: Final answer
    x = 316,073.28

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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.