Home / 841,069.58-1,261,543.37-328,638.40

Finding the Fourth Proportional to 841,069.58, 1,261,543.37 and 328,638.40

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Solution

The fourth proportional to 841,069.58, 1,261,543.37 and 328,638.40 is: 492,933.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,069.58 : 1,261,543.37 = 328,638.40 : x
  2. Step 2: Convert to fraction form
    841,069.58/1,261,543.37 = 328,638.40/x
  3. Step 3: Cross multiply
    841,069.58x = 1,261,543.37 × 328,638.40
  4. Step 4: Simplify right side
    841,069.58x = 414,591,590,774.65
  5. Step 5: Solve for x
    x = 414,591,590,774.65/841,069.58
  6. Step 6: Final answer
    x = 492,933.76

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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.