Home / 840,730.03-1,160,235.45-458,777.77

Finding the Fourth Proportional to 840,730.03, 1,160,235.45 and 458,777.77

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Solution

The fourth proportional to 840,730.03, 1,160,235.45 and 458,777.77 is: 633,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,730.03 : 1,160,235.45 = 458,777.77 : x
  2. Step 2: Convert to fraction form
    840,730.03/1,160,235.45 = 458,777.77/x
  3. Step 3: Cross multiply
    840,730.03x = 1,160,235.45 × 458,777.77
  4. Step 4: Simplify right side
    840,730.03x = 532,290,232,425.95
  5. Step 5: Solve for x
    x = 532,290,232,425.95/840,730.03
  6. Step 6: Final answer
    x = 633,128.61

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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.