Home / 930,253.80-1,395,386.13-331,238.10

Finding the Fourth Proportional to 930,253.80, 1,395,386.13 and 331,238.10

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Solution

The fourth proportional to 930,253.80, 1,395,386.13 and 331,238.10 is: 496,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,253.80 : 1,395,386.13 = 331,238.10 : x
  2. Step 2: Convert to fraction form
    930,253.80/1,395,386.13 = 331,238.10/x
  3. Step 3: Cross multiply
    930,253.80x = 1,395,386.13 × 331,238.10
  4. Step 4: Simplify right side
    930,253.80x = 462,205,050,467.55
  5. Step 5: Solve for x
    x = 462,205,050,467.55/930,253.80
  6. Step 6: Final answer
    x = 496,859.08

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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.