Home / 578,725.54-867,388.47-298,089.70

Finding the Fourth Proportional to 578,725.54, 867,388.47 and 298,089.70

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Solution

The fourth proportional to 578,725.54, 867,388.47 and 298,089.70 is: 446,774.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,725.54 : 867,388.47 = 298,089.70 : x
  2. Step 2: Convert to fraction form
    578,725.54/867,388.47 = 298,089.70/x
  3. Step 3: Cross multiply
    578,725.54x = 867,388.47 × 298,089.70
  4. Step 4: Simplify right side
    578,725.54x = 258,559,568,805.76
  5. Step 5: Solve for x
    x = 258,559,568,805.76/578,725.54
  6. Step 6: Final answer
    x = 446,774.08

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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.