Home / 558,310.55-770,592.56-340,567.36

Finding the Fourth Proportional to 558,310.55, 770,592.56 and 340,567.36

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Solution

The fourth proportional to 558,310.55, 770,592.56 and 340,567.36 is: 470,058.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,310.55 : 770,592.56 = 340,567.36 : x
  2. Step 2: Convert to fraction form
    558,310.55/770,592.56 = 340,567.36/x
  3. Step 3: Cross multiply
    558,310.55x = 770,592.56 × 340,567.36
  4. Step 4: Simplify right side
    558,310.55x = 262,438,670,165.52
  5. Step 5: Solve for x
    x = 262,438,670,165.52/558,310.55
  6. Step 6: Final answer
    x = 470,058.59

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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.