Home / 877,039.11-1,315,558.53-330,034.37

Finding the Fourth Proportional to 877,039.11, 1,315,558.53 and 330,034.37

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Solution

The fourth proportional to 877,039.11, 1,315,558.53 and 330,034.37 is: 495,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,039.11 : 1,315,558.53 = 330,034.37 : x
  2. Step 2: Convert to fraction form
    877,039.11/1,315,558.53 = 330,034.37/x
  3. Step 3: Cross multiply
    877,039.11x = 1,315,558.53 × 330,034.37
  4. Step 4: Simplify right side
    877,039.11x = 434,179,524,068.88
  5. Step 5: Solve for x
    x = 434,179,524,068.88/877,039.11
  6. Step 6: Final answer
    x = 495,051.50

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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.