Home / 684,211.60-1,026,220.20-210,944.80

Finding the Fourth Proportional to 684,211.60, 1,026,220.20 and 210,944.80

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Solution

The fourth proportional to 684,211.60, 1,026,220.20 and 210,944.80 is: 316,387.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,211.60 : 1,026,220.20 = 210,944.80 : x
  2. Step 2: Convert to fraction form
    684,211.60/1,026,220.20 = 210,944.80/x
  3. Step 3: Cross multiply
    684,211.60x = 1,026,220.20 × 210,944.80
  4. Step 4: Simplify right side
    684,211.60x = 216,475,814,844.96
  5. Step 5: Solve for x
    x = 216,475,814,844.96/684,211.60
  6. Step 6: Final answer
    x = 316,387.23

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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.