Home / 751,156.12-1,125,946.82-277,539.40

Finding the Fourth Proportional to 751,156.12, 1,125,946.82 and 277,539.40

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Solution

The fourth proportional to 751,156.12, 1,125,946.82 and 277,539.40 is: 416,018.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,156.12 : 1,125,946.82 = 277,539.40 : x
  2. Step 2: Convert to fraction form
    751,156.12/1,125,946.82 = 277,539.40/x
  3. Step 3: Cross multiply
    751,156.12x = 1,125,946.82 × 277,539.40
  4. Step 4: Simplify right side
    751,156.12x = 312,494,604,854.71
  5. Step 5: Solve for x
    x = 312,494,604,854.71/751,156.12
  6. Step 6: Final answer
    x = 416,018.18

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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.