Home / 889,289.48-1,333,929.74-215,370.77

Finding the Fourth Proportional to 889,289.48, 1,333,929.74 and 215,370.77

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Solution

The fourth proportional to 889,289.48, 1,333,929.74 and 215,370.77 is: 323,055.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,289.48 : 1,333,929.74 = 215,370.77 : x
  2. Step 2: Convert to fraction form
    889,289.48/1,333,929.74 = 215,370.77/x
  3. Step 3: Cross multiply
    889,289.48x = 1,333,929.74 × 215,370.77
  4. Step 4: Simplify right side
    889,289.48x = 287,289,467,483.20
  5. Step 5: Solve for x
    x = 287,289,467,483.20/889,289.48
  6. Step 6: Final answer
    x = 323,055.06

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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.