Home / 876,378.91-1,314,738.79-336,595.70

Finding the Fourth Proportional to 876,378.91, 1,314,738.79 and 336,595.70

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Solution

The fourth proportional to 876,378.91, 1,314,738.79 and 336,595.70 is: 504,959.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,378.91 : 1,314,738.79 = 336,595.70 : x
  2. Step 2: Convert to fraction form
    876,378.91/1,314,738.79 = 336,595.70/x
  3. Step 3: Cross multiply
    876,378.91x = 1,314,738.79 × 336,595.70
  4. Step 4: Simplify right side
    876,378.91x = 442,535,421,169.77
  5. Step 5: Solve for x
    x = 442,535,421,169.77/876,378.91
  6. Step 6: Final answer
    x = 504,959.01

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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.