Home / 774,421.97-1,161,457.53-294,478.66

Finding the Fourth Proportional to 774,421.97, 1,161,457.53 and 294,478.66

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Solution

The fourth proportional to 774,421.97, 1,161,457.53 and 294,478.66 is: 441,651.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,421.97 : 1,161,457.53 = 294,478.66 : x
  2. Step 2: Convert to fraction form
    774,421.97/1,161,457.53 = 294,478.66/x
  3. Step 3: Cross multiply
    774,421.97x = 1,161,457.53 × 294,478.66
  4. Step 4: Simplify right side
    774,421.97x = 342,024,462,351.88
  5. Step 5: Solve for x
    x = 342,024,462,351.88/774,421.97
  6. Step 6: Final answer
    x = 441,651.29

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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.