Home / 774,080.80-1,068,232.56-434,551.48

Finding the Fourth Proportional to 774,080.80, 1,068,232.56 and 434,551.48

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Solution

The fourth proportional to 774,080.80, 1,068,232.56 and 434,551.48 is: 599,681.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,080.80 : 1,068,232.56 = 434,551.48 : x
  2. Step 2: Convert to fraction form
    774,080.80/1,068,232.56 = 434,551.48/x
  3. Step 3: Cross multiply
    774,080.80x = 1,068,232.56 × 434,551.48
  4. Step 4: Simplify right side
    774,080.80x = 464,202,039,932.19
  5. Step 5: Solve for x
    x = 464,202,039,932.19/774,080.80
  6. Step 6: Final answer
    x = 599,681.64

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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.