Home / 930,322.98-1,395,489.63-331,307.46

Finding the Fourth Proportional to 930,322.98, 1,395,489.63 and 331,307.46

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Solution

The fourth proportional to 930,322.98, 1,395,489.63 and 331,307.46 is: 496,963.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,322.98 : 1,395,489.63 = 331,307.46 : x
  2. Step 2: Convert to fraction form
    930,322.98/1,395,489.63 = 331,307.46/x
  3. Step 3: Cross multiply
    930,322.98x = 1,395,489.63 × 331,307.46
  4. Step 4: Simplify right side
    930,322.98x = 462,336,124,771.64
  5. Step 5: Solve for x
    x = 462,336,124,771.64/930,322.98
  6. Step 6: Final answer
    x = 496,963.03

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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.