Home / 887,391.63-1,330,554.78-407,017.62

Finding the Fourth Proportional to 887,391.63, 1,330,554.78 and 407,017.62

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Solution

The fourth proportional to 887,391.63, 1,330,554.78 and 407,017.62 is: 610,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,391.63 : 1,330,554.78 = 407,017.62 : x
  2. Step 2: Convert to fraction form
    887,391.63/1,330,554.78 = 407,017.62/x
  3. Step 3: Cross multiply
    887,391.63x = 1,330,554.78 × 407,017.62
  4. Step 4: Simplify right side
    887,391.63x = 541,559,239,835.22
  5. Step 5: Solve for x
    x = 541,559,239,835.22/887,391.63
  6. Step 6: Final answer
    x = 610,282.11

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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.