Home / 774,317.07-1,161,023.49-300,448.98

Finding the Fourth Proportional to 774,317.07, 1,161,023.49 and 300,448.98

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Solution

The fourth proportional to 774,317.07, 1,161,023.49 and 300,448.98 is: 450,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,317.07 : 1,161,023.49 = 300,448.98 : x
  2. Step 2: Convert to fraction form
    774,317.07/1,161,023.49 = 300,448.98/x
  3. Step 3: Cross multiply
    774,317.07x = 1,161,023.49 × 300,448.98
  4. Step 4: Simplify right side
    774,317.07x = 348,828,323,326.54
  5. Step 5: Solve for x
    x = 348,828,323,326.54/774,317.07
  6. Step 6: Final answer
    x = 450,498.04

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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.