Home / 889,209.76-1,333,818.06-215,289.94

Finding the Fourth Proportional to 889,209.76, 1,333,818.06 and 215,289.94

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Solution

The fourth proportional to 889,209.76, 1,333,818.06 and 215,289.94 is: 322,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,209.76 : 1,333,818.06 = 215,289.94 : x
  2. Step 2: Convert to fraction form
    889,209.76/1,333,818.06 = 215,289.94/x
  3. Step 3: Cross multiply
    889,209.76x = 1,333,818.06 × 215,289.94
  4. Step 4: Simplify right side
    889,209.76x = 287,157,610,108.32
  5. Step 5: Solve for x
    x = 287,157,610,108.32/889,209.76
  6. Step 6: Final answer
    x = 322,935.74

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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.