Home / 774,674.88-1,069,179.12-452,382.36

Finding the Fourth Proportional to 774,674.88, 1,069,179.12 and 452,382.36

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Solution

The fourth proportional to 774,674.88, 1,069,179.12 and 452,382.36 is: 624,362.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,674.88 : 1,069,179.12 = 452,382.36 : x
  2. Step 2: Convert to fraction form
    774,674.88/1,069,179.12 = 452,382.36/x
  3. Step 3: Cross multiply
    774,674.88x = 1,069,179.12 × 452,382.36
  4. Step 4: Simplify right side
    774,674.88x = 483,677,773,568.32
  5. Step 5: Solve for x
    x = 483,677,773,568.32/774,674.88
  6. Step 6: Final answer
    x = 624,362.28

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Double scale
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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.