Home / 684,311.41-1,026,401.15-210,869.65

Finding the Fourth Proportional to 684,311.41, 1,026,401.15 and 210,869.65

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Solution

The fourth proportional to 684,311.41, 1,026,401.15 and 210,869.65 is: 316,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,311.41 : 1,026,401.15 = 210,869.65 : x
  2. Step 2: Convert to fraction form
    684,311.41/1,026,401.15 = 210,869.65/x
  3. Step 3: Cross multiply
    684,311.41x = 1,026,401.15 × 210,869.65
  4. Step 4: Simplify right side
    684,311.41x = 216,436,850,205.75
  5. Step 5: Solve for x
    x = 216,436,850,205.75/684,311.41
  6. Step 6: Final answer
    x = 316,284.15

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1.5x scale

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.