Home / 684,023.80-1,026,132.90-210,659.80

Finding the Fourth Proportional to 684,023.80, 1,026,132.90 and 210,659.80

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Solution

The fourth proportional to 684,023.80, 1,026,132.90 and 210,659.80 is: 316,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,023.80 : 1,026,132.90 = 210,659.80 : x
  2. Step 2: Convert to fraction form
    684,023.80/1,026,132.90 = 210,659.80/x
  3. Step 3: Cross multiply
    684,023.80x = 1,026,132.90 × 210,659.80
  4. Step 4: Simplify right side
    684,023.80x = 216,164,951,487.42
  5. Step 5: Solve for x
    x = 216,164,951,487.42/684,023.80
  6. Step 6: Final answer
    x = 316,019.63

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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.