Home / 578,260.40-867,779.40-325,540.40

Finding the Fourth Proportional to 578,260.40, 867,779.40 and 325,540.40

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Solution

The fourth proportional to 578,260.40, 867,779.40 and 325,540.40 is: 488,529.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,260.40 : 867,779.40 = 325,540.40 : x
  2. Step 2: Convert to fraction form
    578,260.40/867,779.40 = 325,540.40/x
  3. Step 3: Cross multiply
    578,260.40x = 867,779.40 × 325,540.40
  4. Step 4: Simplify right side
    578,260.40x = 282,497,252,987.76
  5. Step 5: Solve for x
    x = 282,497,252,987.76/578,260.40
  6. Step 6: Final answer
    x = 488,529.48

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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.