Home / 578,726.54-867,389.97-298,090.70

Finding the Fourth Proportional to 578,726.54, 867,389.97 and 298,090.70

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Solution

The fourth proportional to 578,726.54, 867,389.97 and 298,090.70 is: 446,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,726.54 : 867,389.97 = 298,090.70 : x
  2. Step 2: Convert to fraction form
    578,726.54/867,389.97 = 298,090.70/x
  3. Step 3: Cross multiply
    578,726.54x = 867,389.97 × 298,090.70
  4. Step 4: Simplify right side
    578,726.54x = 258,560,883,330.28
  5. Step 5: Solve for x
    x = 258,560,883,330.28/578,726.54
  6. Step 6: Final answer
    x = 446,775.58

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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.