Home / 777,835.64-1,166,790.56-378,000.07

Finding the Fourth Proportional to 777,835.64, 1,166,790.56 and 378,000.07

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Solution

The fourth proportional to 777,835.64, 1,166,790.56 and 378,000.07 is: 567,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,835.64 : 1,166,790.56 = 378,000.07 : x
  2. Step 2: Convert to fraction form
    777,835.64/1,166,790.56 = 378,000.07/x
  3. Step 3: Cross multiply
    777,835.64x = 1,166,790.56 × 378,000.07
  4. Step 4: Simplify right side
    777,835.64x = 441,046,908,548.36
  5. Step 5: Solve for x
    x = 441,046,908,548.36/777,835.64
  6. Step 6: Final answer
    x = 567,018.13

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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.