Home / 851,802.51-1,276,441.44-345,747.72

Finding the Fourth Proportional to 851,802.51, 1,276,441.44 and 345,747.72

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Solution

The fourth proportional to 851,802.51, 1,276,441.44 and 345,747.72 is: 518,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,802.51 : 1,276,441.44 = 345,747.72 : x
  2. Step 2: Convert to fraction form
    851,802.51/1,276,441.44 = 345,747.72/x
  3. Step 3: Cross multiply
    851,802.51x = 1,276,441.44 × 345,747.72
  4. Step 4: Simplify right side
    851,802.51x = 441,326,717,593.52
  5. Step 5: Solve for x
    x = 441,326,717,593.52/851,802.51
  6. Step 6: Final answer
    x = 518,109.20

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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.