Home / 558,014.75-836,759.63-389,725.10

Finding the Fourth Proportional to 558,014.75, 836,759.63 and 389,725.10

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Solution

The fourth proportional to 558,014.75, 836,759.63 and 389,725.10 is: 584,404.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,014.75 : 836,759.63 = 389,725.10 : x
  2. Step 2: Convert to fraction form
    558,014.75/836,759.63 = 389,725.10/x
  3. Step 3: Cross multiply
    558,014.75x = 836,759.63 × 389,725.10
  4. Step 4: Simplify right side
    558,014.75x = 326,106,230,477.71
  5. Step 5: Solve for x
    x = 326,106,230,477.71/558,014.75
  6. Step 6: Final answer
    x = 584,404.32

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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.