Home / 790,235.76-1,090,525.38-427,659.66

Finding the Fourth Proportional to 790,235.76, 1,090,525.38 and 427,659.66

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Solution

The fourth proportional to 790,235.76, 1,090,525.38 and 427,659.66 is: 590,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,235.76 : 1,090,525.38 = 427,659.66 : x
  2. Step 2: Convert to fraction form
    790,235.76/1,090,525.38 = 427,659.66/x
  3. Step 3: Cross multiply
    790,235.76x = 1,090,525.38 × 427,659.66
  4. Step 4: Simplify right side
    790,235.76x = 466,373,713,232.17
  5. Step 5: Solve for x
    x = 466,373,713,232.17/790,235.76
  6. Step 6: Final answer
    x = 590,170.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.