Home / 946,900.12-1,420,444.95-272,997.94

Finding the Fourth Proportional to 946,900.12, 1,420,444.95 and 272,997.94

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Solution

The fourth proportional to 946,900.12, 1,420,444.95 and 272,997.94 is: 409,524.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,900.12 : 1,420,444.95 = 272,997.94 : x
  2. Step 2: Convert to fraction form
    946,900.12/1,420,444.95 = 272,997.94/x
  3. Step 3: Cross multiply
    946,900.12x = 1,420,444.95 × 272,997.94
  4. Step 4: Simplify right side
    946,900.12x = 387,778,545,233.40
  5. Step 5: Solve for x
    x = 387,778,545,233.40/946,900.12
  6. Step 6: Final answer
    x = 409,524.23

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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.