Home / 889,151.56-1,333,865.72-289,973.01

Finding the Fourth Proportional to 889,151.56, 1,333,865.72 and 289,973.01

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Solution

The fourth proportional to 889,151.56, 1,333,865.72 and 289,973.01 is: 435,004.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,151.56 : 1,333,865.72 = 289,973.01 : x
  2. Step 2: Convert to fraction form
    889,151.56/1,333,865.72 = 289,973.01/x
  3. Step 3: Cross multiply
    889,151.56x = 1,333,865.72 × 289,973.01
  4. Step 4: Simplify right side
    889,151.56x = 386,785,057,764.22
  5. Step 5: Solve for x
    x = 386,785,057,764.22/889,151.56
  6. Step 6: Final answer
    x = 435,004.64

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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.