Home / 764,080.24-1,054,409.88-424,539.76

Finding the Fourth Proportional to 764,080.24, 1,054,409.88 and 424,539.76

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Solution

The fourth proportional to 764,080.24, 1,054,409.88 and 424,539.76 is: 585,853.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,080.24 : 1,054,409.88 = 424,539.76 : x
  2. Step 2: Convert to fraction form
    764,080.24/1,054,409.88 = 424,539.76/x
  3. Step 3: Cross multiply
    764,080.24x = 1,054,409.88 × 424,539.76
  4. Step 4: Simplify right side
    764,080.24x = 447,638,917,396.83
  5. Step 5: Solve for x
    x = 447,638,917,396.83/764,080.24
  6. Step 6: Final answer
    x = 585,853.28

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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.