Home / 844,425.16-1,267,303.40-312,098.40

Finding the Fourth Proportional to 844,425.16, 1,267,303.40 and 312,098.40

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Solution

The fourth proportional to 844,425.16, 1,267,303.40 and 312,098.40 is: 468,393.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,425.16 : 1,267,303.40 = 312,098.40 : x
  2. Step 2: Convert to fraction form
    844,425.16/1,267,303.40 = 312,098.40/x
  3. Step 3: Cross multiply
    844,425.16x = 1,267,303.40 × 312,098.40
  4. Step 4: Simplify right side
    844,425.16x = 395,523,363,454.56
  5. Step 5: Solve for x
    x = 395,523,363,454.56/844,425.16
  6. Step 6: Final answer
    x = 468,393.63

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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.