Home / 889,303.59-1,333,958.54-215,385.35

Finding the Fourth Proportional to 889,303.59, 1,333,958.54 and 215,385.35

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Solution

The fourth proportional to 889,303.59, 1,333,958.54 and 215,385.35 is: 323,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,303.59 : 1,333,958.54 = 215,385.35 : x
  2. Step 2: Convert to fraction form
    889,303.59/1,333,958.54 = 215,385.35/x
  3. Step 3: Cross multiply
    889,303.59x = 1,333,958.54 × 215,385.35
  4. Step 4: Simplify right side
    889,303.59x = 287,315,119,276.67
  5. Step 5: Solve for x
    x = 287,315,119,276.67/889,303.59
  6. Step 6: Final answer
    x = 323,078.78

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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.