Home / 909,627.92-1,364,445.08-278,538.96

Finding the Fourth Proportional to 909,627.92, 1,364,445.08 and 278,538.96

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Solution

The fourth proportional to 909,627.92, 1,364,445.08 and 278,538.96 is: 417,809.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,627.92 : 1,364,445.08 = 278,538.96 : x
  2. Step 2: Convert to fraction form
    909,627.92/1,364,445.08 = 278,538.96/x
  3. Step 3: Cross multiply
    909,627.92x = 1,364,445.08 × 278,538.96
  4. Step 4: Simplify right side
    909,627.92x = 380,051,113,560.32
  5. Step 5: Solve for x
    x = 380,051,113,560.32/909,627.92
  6. Step 6: Final answer
    x = 417,809.42

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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.