Home / 785,017.07-1,177,762.01-245,251.55

Finding the Fourth Proportional to 785,017.07, 1,177,762.01 and 245,251.55

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Solution

The fourth proportional to 785,017.07, 1,177,762.01 and 245,251.55 is: 367,951.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,017.07 : 1,177,762.01 = 245,251.55 : x
  2. Step 2: Convert to fraction form
    785,017.07/1,177,762.01 = 245,251.55/x
  3. Step 3: Cross multiply
    785,017.07x = 1,177,762.01 × 245,251.55
  4. Step 4: Simplify right side
    785,017.07x = 288,847,953,576.85
  5. Step 5: Solve for x
    x = 288,847,953,576.85/785,017.07
  6. Step 6: Final answer
    x = 367,951.18

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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.