Home / 675,734.80-1,013,602.20-355,448.65

Finding the Fourth Proportional to 675,734.80, 1,013,602.20 and 355,448.65

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Solution

The fourth proportional to 675,734.80, 1,013,602.20 and 355,448.65 is: 533,172.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,734.80 : 1,013,602.20 = 355,448.65 : x
  2. Step 2: Convert to fraction form
    675,734.80/1,013,602.20 = 355,448.65/x
  3. Step 3: Cross multiply
    675,734.80x = 1,013,602.20 × 355,448.65
  4. Step 4: Simplify right side
    675,734.80x = 360,283,533,627.03
  5. Step 5: Solve for x
    x = 360,283,533,627.03/675,734.80
  6. Step 6: Final answer
    x = 533,172.98

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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.