Home / 446,261.10-614,812.58-308,307.87

Finding the Fourth Proportional to 446,261.10, 614,812.58 and 308,307.87

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Solution

The fourth proportional to 446,261.10, 614,812.58 and 308,307.87 is: 424,754.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,261.10 : 614,812.58 = 308,307.87 : x
  2. Step 2: Convert to fraction form
    446,261.10/614,812.58 = 308,307.87/x
  3. Step 3: Cross multiply
    446,261.10x = 614,812.58 × 308,307.87
  4. Step 4: Simplify right side
    446,261.10x = 189,551,556,989.01
  5. Step 5: Solve for x
    x = 189,551,556,989.01/446,261.10
  6. Step 6: Final answer
    x = 424,754.83

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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.