Home / 675,746.82-1,013,620.20-310,971.60

Finding the Fourth Proportional to 675,746.82, 1,013,620.20 and 310,971.60

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Solution

The fourth proportional to 675,746.82, 1,013,620.20 and 310,971.60 is: 466,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,746.82 : 1,013,620.20 = 310,971.60 : x
  2. Step 2: Convert to fraction form
    675,746.82/1,013,620.20 = 310,971.60/x
  3. Step 3: Cross multiply
    675,746.82x = 1,013,620.20 × 310,971.60
  4. Step 4: Simplify right side
    675,746.82x = 315,207,095,386.32
  5. Step 5: Solve for x
    x = 315,207,095,386.32/675,746.82
  6. Step 6: Final answer
    x = 466,457.39

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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.