Home / 903,638.66-1,354,738.66-447,909.17

Finding the Fourth Proportional to 903,638.66, 1,354,738.66 and 447,909.17

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Solution

The fourth proportional to 903,638.66, 1,354,738.66 and 447,909.17 is: 671,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,638.66 : 1,354,738.66 = 447,909.17 : x
  2. Step 2: Convert to fraction form
    903,638.66/1,354,738.66 = 447,909.17/x
  3. Step 3: Cross multiply
    903,638.66x = 1,354,738.66 × 447,909.17
  4. Step 4: Simplify right side
    903,638.66x = 606,799,860,874.05
  5. Step 5: Solve for x
    x = 606,799,860,874.05/903,638.66
  6. Step 6: Final answer
    x = 671,507.20

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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.