Home / 763,940.12-1,146,051.06-251,635.40

Finding the Fourth Proportional to 763,940.12, 1,146,051.06 and 251,635.40

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Solution

The fourth proportional to 763,940.12, 1,146,051.06 and 251,635.40 is: 377,499.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,940.12 : 1,146,051.06 = 251,635.40 : x
  2. Step 2: Convert to fraction form
    763,940.12/1,146,051.06 = 251,635.40/x
  3. Step 3: Cross multiply
    763,940.12x = 1,146,051.06 × 251,635.40
  4. Step 4: Simplify right side
    763,940.12x = 288,387,016,903.52
  5. Step 5: Solve for x
    x = 288,387,016,903.52/763,940.12
  6. Step 6: Final answer
    x = 377,499.50

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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.