Home / 855,223.70-1,282,671.53-256,204.40

Finding the Fourth Proportional to 855,223.70, 1,282,671.53 and 256,204.40

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Solution

The fourth proportional to 855,223.70, 1,282,671.53 and 256,204.40 is: 384,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,223.70 : 1,282,671.53 = 256,204.40 : x
  2. Step 2: Convert to fraction form
    855,223.70/1,282,671.53 = 256,204.40/x
  3. Step 3: Cross multiply
    855,223.70x = 1,282,671.53 × 256,204.40
  4. Step 4: Simplify right side
    855,223.70x = 328,626,088,459.71
  5. Step 5: Solve for x
    x = 328,626,088,459.71/855,223.70
  6. Step 6: Final answer
    x = 384,257.46

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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.