Home / 802,928.50-1,108,041.34-445,232.50

Finding the Fourth Proportional to 802,928.50, 1,108,041.34 and 445,232.50

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Solution

The fourth proportional to 802,928.50, 1,108,041.34 and 445,232.50 is: 614,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,928.50 : 1,108,041.34 = 445,232.50 : x
  2. Step 2: Convert to fraction form
    802,928.50/1,108,041.34 = 445,232.50/x
  3. Step 3: Cross multiply
    802,928.50x = 1,108,041.34 × 445,232.50
  4. Step 4: Simplify right side
    802,928.50x = 493,336,015,911.55
  5. Step 5: Solve for x
    x = 493,336,015,911.55/802,928.50
  6. Step 6: Final answer
    x = 614,420.86

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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.