Home / 889,149.56-1,333,862.72-289,971.01

Finding the Fourth Proportional to 889,149.56, 1,333,862.72 and 289,971.01

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Solution

The fourth proportional to 889,149.56, 1,333,862.72 and 289,971.01 is: 435,001.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,149.56 : 1,333,862.72 = 289,971.01 : x
  2. Step 2: Convert to fraction form
    889,149.56/1,333,862.72 = 289,971.01/x
  3. Step 3: Cross multiply
    889,149.56x = 1,333,862.72 × 289,971.01
  4. Step 4: Simplify right side
    889,149.56x = 386,781,515,552.72
  5. Step 5: Solve for x
    x = 386,781,515,552.72/889,149.56
  6. Step 6: Final answer
    x = 435,001.64

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1.5x scale

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.