Home / 579,028.57-799,059.50-320,922.18

Finding the Fourth Proportional to 579,028.57, 799,059.50 and 320,922.18

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Solution

The fourth proportional to 579,028.57, 799,059.50 and 320,922.18 is: 442,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,028.57 : 799,059.50 = 320,922.18 : x
  2. Step 2: Convert to fraction form
    579,028.57/799,059.50 = 320,922.18/x
  3. Step 3: Cross multiply
    579,028.57x = 799,059.50 × 320,922.18
  4. Step 4: Simplify right side
    579,028.57x = 256,435,916,689.71
  5. Step 5: Solve for x
    x = 256,435,916,689.71/579,028.57
  6. Step 6: Final answer
    x = 442,872.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.