Home / 869,009.01-1,303,873.61-469,179.84

Finding the Fourth Proportional to 869,009.01, 1,303,873.61 and 469,179.84

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Solution

The fourth proportional to 869,009.01, 1,303,873.61 and 469,179.84 is: 703,964.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,009.01 : 1,303,873.61 = 469,179.84 : x
  2. Step 2: Convert to fraction form
    869,009.01/1,303,873.61 = 469,179.84/x
  3. Step 3: Cross multiply
    869,009.01x = 1,303,873.61 × 469,179.84
  4. Step 4: Simplify right side
    869,009.01x = 611,751,214,263.65
  5. Step 5: Solve for x
    x = 611,751,214,263.65/869,009.01
  6. Step 6: Final answer
    x = 703,964.18

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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.