Home / 739,634.30-1,106,643.45-490,802.30

Finding the Fourth Proportional to 739,634.30, 1,106,643.45 and 490,802.30

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Solution

The fourth proportional to 739,634.30, 1,106,643.45 and 490,802.30 is: 734,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,634.30 : 1,106,643.45 = 490,802.30 : x
  2. Step 2: Convert to fraction form
    739,634.30/1,106,643.45 = 490,802.30/x
  3. Step 3: Cross multiply
    739,634.30x = 1,106,643.45 × 490,802.30
  4. Step 4: Simplify right side
    739,634.30x = 543,143,150,539.94
  5. Step 5: Solve for x
    x = 543,143,150,539.94/739,634.30
  6. Step 6: Final answer
    x = 734,340.13

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1.5x scale

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.