Home / 659,023.25-909,645.41-383,445.95

Finding the Fourth Proportional to 659,023.25, 909,645.41 and 383,445.95

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Solution

The fourth proportional to 659,023.25, 909,645.41 and 383,445.95 is: 529,267.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,023.25 : 909,645.41 = 383,445.95 : x
  2. Step 2: Convert to fraction form
    659,023.25/909,645.41 = 383,445.95/x
  3. Step 3: Cross multiply
    659,023.25x = 909,645.41 × 383,445.95
  4. Step 4: Simplify right side
    659,023.25x = 348,799,844,810.98
  5. Step 5: Solve for x
    x = 348,799,844,810.98/659,023.25
  6. Step 6: Final answer
    x = 529,267.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.