Home / 695,871.56-1,042,035.35-458,494.58

Finding the Fourth Proportional to 695,871.56, 1,042,035.35 and 458,494.58

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Solution

The fourth proportional to 695,871.56, 1,042,035.35 and 458,494.58 is: 686,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,871.56 : 1,042,035.35 = 458,494.58 : x
  2. Step 2: Convert to fraction form
    695,871.56/1,042,035.35 = 458,494.58/x
  3. Step 3: Cross multiply
    695,871.56x = 1,042,035.35 × 458,494.58
  4. Step 4: Simplify right side
    695,871.56x = 477,767,552,640.75
  5. Step 5: Solve for x
    x = 477,767,552,640.75/695,871.56
  6. Step 6: Final answer
    x = 686,574.34

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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.