Home / 710,765.20-1,065,629.40-289,824.40

Finding the Fourth Proportional to 710,765.20, 1,065,629.40 and 289,824.40

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Solution

The fourth proportional to 710,765.20, 1,065,629.40 and 289,824.40 is: 434,525.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,765.20 : 1,065,629.40 = 289,824.40 : x
  2. Step 2: Convert to fraction form
    710,765.20/1,065,629.40 = 289,824.40/x
  3. Step 3: Cross multiply
    710,765.20x = 1,065,629.40 × 289,824.40
  4. Step 4: Simplify right side
    710,765.20x = 308,845,401,477.36
  5. Step 5: Solve for x
    x = 308,845,401,477.36/710,765.20
  6. Step 6: Final answer
    x = 434,525.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.