Home / 864,032.40-1,296,437.40-414,579.60

Finding the Fourth Proportional to 864,032.40, 1,296,437.40 and 414,579.60

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Solution

The fourth proportional to 864,032.40, 1,296,437.40 and 414,579.60 is: 622,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,032.40 : 1,296,437.40 = 414,579.60 : x
  2. Step 2: Convert to fraction form
    864,032.40/1,296,437.40 = 414,579.60/x
  3. Step 3: Cross multiply
    864,032.40x = 1,296,437.40 × 414,579.60
  4. Step 4: Simplify right side
    864,032.40x = 537,476,498,717.04
  5. Step 5: Solve for x
    x = 537,476,498,717.04/864,032.40
  6. Step 6: Final answer
    x = 622,055.95

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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.