Home / 807,829.20-1,214,368.20-692,355.60

Finding the Fourth Proportional to 807,829.20, 1,214,368.20 and 692,355.60

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Solution

The fourth proportional to 807,829.20, 1,214,368.20 and 692,355.60 is: 1,040,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,829.20 : 1,214,368.20 = 692,355.60 : x
  2. Step 2: Convert to fraction form
    807,829.20/1,214,368.20 = 692,355.60/x
  3. Step 3: Cross multiply
    807,829.20x = 1,214,368.20 × 692,355.60
  4. Step 4: Simplify right side
    807,829.20x = 840,774,623,731.92
  5. Step 5: Solve for x
    x = 840,774,623,731.92/807,829.20
  6. Step 6: Final answer
    x = 1,040,782.66

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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.