Home / 684,008.98-1,026,123.72-210,693.88

Finding the Fourth Proportional to 684,008.98, 1,026,123.72 and 210,693.88

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Solution

The fourth proportional to 684,008.98, 1,026,123.72 and 210,693.88 is: 316,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,008.98 : 1,026,123.72 = 210,693.88 : x
  2. Step 2: Convert to fraction form
    684,008.98/1,026,123.72 = 210,693.88/x
  3. Step 3: Cross multiply
    684,008.98x = 1,026,123.72 × 210,693.88
  4. Step 4: Simplify right side
    684,008.98x = 216,197,987,926.83
  5. Step 5: Solve for x
    x = 216,197,987,926.83/684,008.98
  6. Step 6: Final answer
    x = 316,074.78

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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.