Home / 909,433.80-1,363,775.34-310,443.25

Finding the Fourth Proportional to 909,433.80, 1,363,775.34 and 310,443.25

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Solution

The fourth proportional to 909,433.80, 1,363,775.34 and 310,443.25 is: 465,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,433.80 : 1,363,775.34 = 310,443.25 : x
  2. Step 2: Convert to fraction form
    909,433.80/1,363,775.34 = 310,443.25/x
  3. Step 3: Cross multiply
    909,433.80x = 1,363,775.34 × 310,443.25
  4. Step 4: Simplify right side
    909,433.80x = 423,374,848,819.46
  5. Step 5: Solve for x
    x = 423,374,848,819.46/909,433.80
  6. Step 6: Final answer
    x = 465,536.74

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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.