Home / 790,444.42-1,185,855.27-257,966.44

Finding the Fourth Proportional to 790,444.42, 1,185,855.27 and 257,966.44

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Solution

The fourth proportional to 790,444.42, 1,185,855.27 and 257,966.44 is: 387,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,444.42 : 1,185,855.27 = 257,966.44 : x
  2. Step 2: Convert to fraction form
    790,444.42/1,185,855.27 = 257,966.44/x
  3. Step 3: Cross multiply
    790,444.42x = 1,185,855.27 × 257,966.44
  4. Step 4: Simplify right side
    790,444.42x = 305,910,862,357.14
  5. Step 5: Solve for x
    x = 305,910,862,357.14/790,444.42
  6. Step 6: Final answer
    x = 387,011.22

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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.