Home / 634,441.04-951,910.62-279,205.86

Finding the Fourth Proportional to 634,441.04, 951,910.62 and 279,205.86

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Solution

The fourth proportional to 634,441.04, 951,910.62 and 279,205.86 is: 418,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,441.04 : 951,910.62 = 279,205.86 : x
  2. Step 2: Convert to fraction form
    634,441.04/951,910.62 = 279,205.86/x
  3. Step 3: Cross multiply
    634,441.04x = 951,910.62 × 279,205.86
  4. Step 4: Simplify right side
    634,441.04x = 265,779,023,300.23
  5. Step 5: Solve for x
    x = 265,779,023,300.23/634,441.04
  6. Step 6: Final answer
    x = 418,918.40

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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.