Home / 684,004.98-1,026,117.72-210,690.12

Finding the Fourth Proportional to 684,004.98, 1,026,117.72 and 210,690.12

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Solution

The fourth proportional to 684,004.98, 1,026,117.72 and 210,690.12 is: 316,069.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,004.98 : 1,026,117.72 = 210,690.12 : x
  2. Step 2: Convert to fraction form
    684,004.98/1,026,117.72 = 210,690.12/x
  3. Step 3: Cross multiply
    684,004.98x = 1,026,117.72 × 210,690.12
  4. Step 4: Simplify right side
    684,004.98x = 216,192,865,560.93
  5. Step 5: Solve for x
    x = 216,192,865,560.93/684,004.98
  6. Step 6: Final answer
    x = 316,069.14

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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.