Home / 685,005.31-1,026,720.64-460,094.23

Finding the Fourth Proportional to 685,005.31, 1,026,720.64 and 460,094.23

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Solution

The fourth proportional to 685,005.31, 1,026,720.64 and 460,094.23 is: 689,612.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,005.31 : 1,026,720.64 = 460,094.23 : x
  2. Step 2: Convert to fraction form
    685,005.31/1,026,720.64 = 460,094.23/x
  3. Step 3: Cross multiply
    685,005.31x = 1,026,720.64 × 460,094.23
  4. Step 4: Simplify right side
    685,005.31x = 472,388,242,285.91
  5. Step 5: Solve for x
    x = 472,388,242,285.91/685,005.31
  6. Step 6: Final answer
    x = 689,612.53

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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.