Home / 1,477,805.40-2,216,386.34-398,292.76

Finding the Fourth Proportional to 1,477,805.40, 2,216,386.34 and 398,292.76

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Solution

The fourth proportional to 1,477,805.40, 2,216,386.34 and 398,292.76 is: 597,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,805.40 : 2,216,386.34 = 398,292.76 : x
  2. Step 2: Convert to fraction form
    1,477,805.40/2,216,386.34 = 398,292.76/x
  3. Step 3: Cross multiply
    1,477,805.40x = 2,216,386.34 × 398,292.76
  4. Step 4: Simplify right side
    1,477,805.40x = 882,770,632,584.90
  5. Step 5: Solve for x
    x = 882,770,632,584.90/1,477,805.40
  6. Step 6: Final answer
    x = 597,352.42

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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.