Home / 856,531.29-1,181,477.97-551,005.50

Finding the Fourth Proportional to 856,531.29, 1,181,477.97 and 551,005.50

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Solution

The fourth proportional to 856,531.29, 1,181,477.97 and 551,005.50 is: 760,043.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,531.29 : 1,181,477.97 = 551,005.50 : x
  2. Step 2: Convert to fraction form
    856,531.29/1,181,477.97 = 551,005.50/x
  3. Step 3: Cross multiply
    856,531.29x = 1,181,477.97 × 551,005.50
  4. Step 4: Simplify right side
    856,531.29x = 651,000,859,598.84
  5. Step 5: Solve for x
    x = 651,000,859,598.84/856,531.29
  6. Step 6: Final answer
    x = 760,043.29

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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.