Home / 675,133.20-1,013,088.60-254,710.80

Finding the Fourth Proportional to 675,133.20, 1,013,088.60 and 254,710.80

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Solution

The fourth proportional to 675,133.20, 1,013,088.60 and 254,710.80 is: 382,212.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,133.20 : 1,013,088.60 = 254,710.80 : x
  2. Step 2: Convert to fraction form
    675,133.20/1,013,088.60 = 254,710.80/x
  3. Step 3: Cross multiply
    675,133.20x = 1,013,088.60 × 254,710.80
  4. Step 4: Simplify right side
    675,133.20x = 258,044,607,776.88
  5. Step 5: Solve for x
    x = 258,044,607,776.88/675,133.20
  6. Step 6: Final answer
    x = 382,212.88

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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.