Home / 707,777.80-1,061,660.10-286,953.64

Finding the Fourth Proportional to 707,777.80, 1,061,660.10 and 286,953.64

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Solution

The fourth proportional to 707,777.80, 1,061,660.10 and 286,953.64 is: 430,427.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,777.80 : 1,061,660.10 = 286,953.64 : x
  2. Step 2: Convert to fraction form
    707,777.80/1,061,660.10 = 286,953.64/x
  3. Step 3: Cross multiply
    707,777.80x = 1,061,660.10 × 286,953.64
  4. Step 4: Simplify right side
    707,777.80x = 304,647,230,137.76
  5. Step 5: Solve for x
    x = 304,647,230,137.76/707,777.80
  6. Step 6: Final answer
    x = 430,427.78

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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.