Home / 909,486.56-1,364,354.28-310,286.88

Finding the Fourth Proportional to 909,486.56, 1,364,354.28 and 310,286.88

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Solution

The fourth proportional to 909,486.56, 1,364,354.28 and 310,286.88 is: 465,472.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,486.56 : 1,364,354.28 = 310,286.88 : x
  2. Step 2: Convert to fraction form
    909,486.56/1,364,354.28 = 310,286.88/x
  3. Step 3: Cross multiply
    909,486.56x = 1,364,354.28 × 310,286.88
  4. Step 4: Simplify right side
    909,486.56x = 423,341,232,755.85
  5. Step 5: Solve for x
    x = 423,341,232,755.85/909,486.56
  6. Step 6: Final answer
    x = 465,472.77

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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.