Home / 806,023.53-1,112,312.44-443,439.61

Finding the Fourth Proportional to 806,023.53, 1,112,312.44 and 443,439.61

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Solution

The fourth proportional to 806,023.53, 1,112,312.44 and 443,439.61 is: 611,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,023.53 : 1,112,312.44 = 443,439.61 : x
  2. Step 2: Convert to fraction form
    806,023.53/1,112,312.44 = 443,439.61/x
  3. Step 3: Cross multiply
    806,023.53x = 1,112,312.44 × 443,439.61
  4. Step 4: Simplify right side
    806,023.53x = 493,243,390,702.37
  5. Step 5: Solve for x
    x = 493,243,390,702.37/806,023.53
  6. Step 6: Final answer
    x = 611,946.64

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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.