Home / 909,433.38-1,363,774.74-310,442.84

Finding the Fourth Proportional to 909,433.38, 1,363,774.74 and 310,442.84

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Solution

The fourth proportional to 909,433.38, 1,363,774.74 and 310,442.84 is: 465,536.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,433.38 : 1,363,774.74 = 310,442.84 : x
  2. Step 2: Convert to fraction form
    909,433.38/1,363,774.74 = 310,442.84/x
  3. Step 3: Cross multiply
    909,433.38x = 1,363,774.74 × 310,442.84
  4. Step 4: Simplify right side
    909,433.38x = 423,374,103,405.86
  5. Step 5: Solve for x
    x = 423,374,103,405.86/909,433.38
  6. Step 6: Final answer
    x = 465,536.14

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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.