Home / 850,002.09-1,173,023.91-462,838.73

Finding the Fourth Proportional to 850,002.09, 1,173,023.91 and 462,838.73

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Solution

The fourth proportional to 850,002.09, 1,173,023.91 and 462,838.73 is: 638,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,002.09 : 1,173,023.91 = 462,838.73 : x
  2. Step 2: Convert to fraction form
    850,002.09/1,173,023.91 = 462,838.73/x
  3. Step 3: Cross multiply
    850,002.09x = 1,173,023.91 × 462,838.73
  4. Step 4: Simplify right side
    850,002.09x = 542,920,893,562.11
  5. Step 5: Solve for x
    x = 542,920,893,562.11/850,002.09
  6. Step 6: Final answer
    x = 638,728.89

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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.