Home / 788,186.82-1,182,446.28-255,666.34

Finding the Fourth Proportional to 788,186.82, 1,182,446.28 and 255,666.34

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Solution

The fourth proportional to 788,186.82, 1,182,446.28 and 255,666.34 is: 383,553.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,186.82 : 1,182,446.28 = 255,666.34 : x
  2. Step 2: Convert to fraction form
    788,186.82/1,182,446.28 = 255,666.34/x
  3. Step 3: Cross multiply
    788,186.82x = 1,182,446.28 × 255,666.34
  4. Step 4: Simplify right side
    788,186.82x = 302,311,712,654.22
  5. Step 5: Solve for x
    x = 302,311,712,654.22/788,186.82
  6. Step 6: Final answer
    x = 383,553.37

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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.