Home / 579,112.02-867,485.43-298,038.78

Finding the Fourth Proportional to 579,112.02, 867,485.43 and 298,038.78

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Solution

The fourth proportional to 579,112.02, 867,485.43 and 298,038.78 is: 446,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,112.02 : 867,485.43 = 298,038.78 : x
  2. Step 2: Convert to fraction form
    579,112.02/867,485.43 = 298,038.78/x
  3. Step 3: Cross multiply
    579,112.02x = 867,485.43 × 298,038.78
  4. Step 4: Simplify right side
    579,112.02x = 258,544,299,224.98
  5. Step 5: Solve for x
    x = 258,544,299,224.98/579,112.02
  6. Step 6: Final answer
    x = 446,449.55

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1.5x scale

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.