Home / 894,638.40-1,340,579.36-414,570

Finding the Fourth Proportional to 894,638.40, 1,340,579.36 and 414,570

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Solution

The fourth proportional to 894,638.40, 1,340,579.36 and 414,570 is: 621,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,638.40 : 1,340,579.36 = 414,570 : x
  2. Step 2: Convert to fraction form
    894,638.40/1,340,579.36 = 414,570/x
  3. Step 3: Cross multiply
    894,638.40x = 1,340,579.36 × 414,570
  4. Step 4: Simplify right side
    894,638.40x = 555,763,985,275.20
  5. Step 5: Solve for x
    x = 555,763,985,275.20/894,638.40
  6. Step 6: Final answer
    x = 621,216.33

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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.