Home / 684,303.60-1,026,358.20-211,036.80

Finding the Fourth Proportional to 684,303.60, 1,026,358.20 and 211,036.80

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Solution

The fourth proportional to 684,303.60, 1,026,358.20 and 211,036.80 is: 316,525.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,303.60 : 1,026,358.20 = 211,036.80 : x
  2. Step 2: Convert to fraction form
    684,303.60/1,026,358.20 = 211,036.80/x
  3. Step 3: Cross multiply
    684,303.60x = 1,026,358.20 × 211,036.80
  4. Step 4: Simplify right side
    684,303.60x = 216,599,350,181.76
  5. Step 5: Solve for x
    x = 216,599,350,181.76/684,303.60
  6. Step 6: Final answer
    x = 316,525.22

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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.