Home / 684,314.91-1,026,406.40-210,873.15

Finding the Fourth Proportional to 684,314.91, 1,026,406.40 and 210,873.15

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Solution

The fourth proportional to 684,314.91, 1,026,406.40 and 210,873.15 is: 316,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,314.91 : 1,026,406.40 = 210,873.15 : x
  2. Step 2: Convert to fraction form
    684,314.91/1,026,406.40 = 210,873.15/x
  3. Step 3: Cross multiply
    684,314.91x = 1,026,406.40 × 210,873.15
  4. Step 4: Simplify right side
    684,314.91x = 216,441,549,693.79
  5. Step 5: Solve for x
    x = 216,441,549,693.79/684,314.91
  6. Step 6: Final answer
    x = 316,289.40

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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.