Home / 579,139.02-867,525.92-298,065.78

Finding the Fourth Proportional to 579,139.02, 867,525.92 and 298,065.78

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Solution

The fourth proportional to 579,139.02, 867,525.92 and 298,065.78 is: 446,490.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,139.02 : 867,525.92 = 298,065.78 : x
  2. Step 2: Convert to fraction form
    579,139.02/867,525.92 = 298,065.78/x
  3. Step 3: Cross multiply
    579,139.02x = 867,525.92 × 298,065.78
  4. Step 4: Simplify right side
    579,139.02x = 258,579,790,015.02
  5. Step 5: Solve for x
    x = 258,579,790,015.02/579,139.02
  6. Step 6: Final answer
    x = 446,490.02

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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.