Home / 571,134.96-788,190.48-316,485.36

Finding the Fourth Proportional to 571,134.96, 788,190.48 and 316,485.36

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Solution

The fourth proportional to 571,134.96, 788,190.48 and 316,485.36 is: 436,763.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,134.96 : 788,190.48 = 316,485.36 : x
  2. Step 2: Convert to fraction form
    571,134.96/788,190.48 = 316,485.36/x
  3. Step 3: Cross multiply
    571,134.96x = 788,190.48 × 316,485.36
  4. Step 4: Simplify right side
    571,134.96x = 249,450,747,811.37
  5. Step 5: Solve for x
    x = 249,450,747,811.37/571,134.96
  6. Step 6: Final answer
    x = 436,763.23

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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.