Home / 855,224.70-1,282,673.02-256,205.40

Finding the Fourth Proportional to 855,224.70, 1,282,673.02 and 256,205.40

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Solution

The fourth proportional to 855,224.70, 1,282,673.02 and 256,205.40 is: 384,258.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,224.70 : 1,282,673.02 = 256,205.40 : x
  2. Step 2: Convert to fraction form
    855,224.70/1,282,673.02 = 256,205.40/x
  3. Step 3: Cross multiply
    855,224.70x = 1,282,673.02 × 256,205.40
  4. Step 4: Simplify right side
    855,224.70x = 328,627,754,158.31
  5. Step 5: Solve for x
    x = 328,627,754,158.31/855,224.70
  6. Step 6: Final answer
    x = 384,258.96

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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.