Home / 695,005.80-1,042,508.70-684,508.20

Finding the Fourth Proportional to 695,005.80, 1,042,508.70 and 684,508.20

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Solution

The fourth proportional to 695,005.80, 1,042,508.70 and 684,508.20 is: 1,026,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,005.80 : 1,042,508.70 = 684,508.20 : x
  2. Step 2: Convert to fraction form
    695,005.80/1,042,508.70 = 684,508.20/x
  3. Step 3: Cross multiply
    695,005.80x = 1,042,508.70 × 684,508.20
  4. Step 4: Simplify right side
    695,005.80x = 713,605,753,721.34
  5. Step 5: Solve for x
    x = 713,605,753,721.34/695,005.80
  6. Step 6: Final answer
    x = 1,026,762.30

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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.