Home / 513,030.29-769,577.16-171,504.45

Finding the Fourth Proportional to 513,030.29, 769,577.16 and 171,504.45

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Solution

The fourth proportional to 513,030.29, 769,577.16 and 171,504.45 is: 257,267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,030.29 : 769,577.16 = 171,504.45 : x
  2. Step 2: Convert to fraction form
    513,030.29/769,577.16 = 171,504.45/x
  3. Step 3: Cross multiply
    513,030.29x = 769,577.16 × 171,504.45
  4. Step 4: Simplify right side
    513,030.29x = 131,985,907,558.36
  5. Step 5: Solve for x
    x = 131,985,907,558.36/513,030.29
  6. Step 6: Final answer
    x = 257,267.28

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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.