Home / 790,096.92-1,090,143.44-479,990.50

Finding the Fourth Proportional to 790,096.92, 1,090,143.44 and 479,990.50

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Solution

The fourth proportional to 790,096.92, 1,090,143.44 and 479,990.50 is: 662,271.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,096.92 : 1,090,143.44 = 479,990.50 : x
  2. Step 2: Convert to fraction form
    790,096.92/1,090,143.44 = 479,990.50/x
  3. Step 3: Cross multiply
    790,096.92x = 1,090,143.44 × 479,990.50
  4. Step 4: Simplify right side
    790,096.92x = 523,258,494,837.32
  5. Step 5: Solve for x
    x = 523,258,494,837.32/790,096.92
  6. Step 6: Final answer
    x = 662,271.28

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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.