Home / 891,666.58-1,337,601.35-323,315.36

Finding the Fourth Proportional to 891,666.58, 1,337,601.35 and 323,315.36

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Solution

The fourth proportional to 891,666.58, 1,337,601.35 and 323,315.36 is: 485,009.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,666.58 : 1,337,601.35 = 323,315.36 : x
  2. Step 2: Convert to fraction form
    891,666.58/1,337,601.35 = 323,315.36/x
  3. Step 3: Cross multiply
    891,666.58x = 1,337,601.35 × 323,315.36
  4. Step 4: Simplify right side
    891,666.58x = 432,467,062,011.74
  5. Step 5: Solve for x
    x = 432,467,062,011.74/891,666.58
  6. Step 6: Final answer
    x = 485,009.84

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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.