Home / 558,777.40-771,169.04-329,407.58

Finding the Fourth Proportional to 558,777.40, 771,169.04 and 329,407.58

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Solution

The fourth proportional to 558,777.40, 771,169.04 and 329,407.58 is: 454,615.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,777.40 : 771,169.04 = 329,407.58 : x
  2. Step 2: Convert to fraction form
    558,777.40/771,169.04 = 329,407.58/x
  3. Step 3: Cross multiply
    558,777.40x = 771,169.04 × 329,407.58
  4. Step 4: Simplify right side
    558,777.40x = 254,028,927,237.32
  5. Step 5: Solve for x
    x = 254,028,927,237.32/558,777.40
  6. Step 6: Final answer
    x = 454,615.61

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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.