Home / 513,724.72-770,742.24-153,907.24

Finding the Fourth Proportional to 513,724.72, 770,742.24 and 153,907.24

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Solution

The fourth proportional to 513,724.72, 770,742.24 and 153,907.24 is: 230,907.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,724.72 : 770,742.24 = 153,907.24 : x
  2. Step 2: Convert to fraction form
    513,724.72/770,742.24 = 153,907.24/x
  3. Step 3: Cross multiply
    513,724.72x = 770,742.24 × 153,907.24
  4. Step 4: Simplify right side
    513,724.72x = 118,622,810,909.82
  5. Step 5: Solve for x
    x = 118,622,810,909.82/513,724.72
  6. Step 6: Final answer
    x = 230,907.34

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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.