Home / 946,897.12-1,420,440.45-272,994.94

Finding the Fourth Proportional to 946,897.12, 1,420,440.45 and 272,994.94

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Solution

The fourth proportional to 946,897.12, 1,420,440.45 and 272,994.94 is: 409,519.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,897.12 : 1,420,440.45 = 272,994.94 : x
  2. Step 2: Convert to fraction form
    946,897.12/1,420,440.45 = 272,994.94/x
  3. Step 3: Cross multiply
    946,897.12x = 1,420,440.45 × 272,994.94
  4. Step 4: Simplify right side
    946,897.12x = 387,773,055,421.32
  5. Step 5: Solve for x
    x = 387,773,055,421.32/946,897.12
  6. Step 6: Final answer
    x = 409,519.73

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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.