Home / 855,225.70-1,282,674.52-256,206.40

Finding the Fourth Proportional to 855,225.70, 1,282,674.52 and 256,206.40

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Solution

The fourth proportional to 855,225.70, 1,282,674.52 and 256,206.40 is: 384,260.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,225.70 : 1,282,674.52 = 256,206.40 : x
  2. Step 2: Convert to fraction form
    855,225.70/1,282,674.52 = 256,206.40/x
  3. Step 3: Cross multiply
    855,225.70x = 1,282,674.52 × 256,206.40
  4. Step 4: Simplify right side
    855,225.70x = 328,629,421,140.93
  5. Step 5: Solve for x
    x = 328,629,421,140.93/855,225.70
  6. Step 6: Final answer
    x = 384,260.46

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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.