Home / 810,085.39-1,215,300.32-277,463.41

Finding the Fourth Proportional to 810,085.39, 1,215,300.32 and 277,463.41

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Solution

The fourth proportional to 810,085.39, 1,215,300.32 and 277,463.41 is: 416,254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,085.39 : 1,215,300.32 = 277,463.41 : x
  2. Step 2: Convert to fraction form
    810,085.39/1,215,300.32 = 277,463.41/x
  3. Step 3: Cross multiply
    810,085.39x = 1,215,300.32 × 277,463.41
  4. Step 4: Simplify right side
    810,085.39x = 337,201,370,961.29
  5. Step 5: Solve for x
    x = 337,201,370,961.29/810,085.39
  6. Step 6: Final answer
    x = 416,254.11

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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.