Home / 310,911.93-463,942.98-277,401.60

Finding the Fourth Proportional to 310,911.93, 463,942.98 and 277,401.60

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Solution

The fourth proportional to 310,911.93, 463,942.98 and 277,401.60 is: 413,938.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,911.93 : 463,942.98 = 277,401.60 : x
  2. Step 2: Convert to fraction form
    310,911.93/463,942.98 = 277,401.60/x
  3. Step 3: Cross multiply
    310,911.93x = 463,942.98 × 277,401.60
  4. Step 4: Simplify right side
    310,911.93x = 128,698,524,960.77
  5. Step 5: Solve for x
    x = 128,698,524,960.77/310,911.93
  6. Step 6: Final answer
    x = 413,938.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.