Home / 602,645.96-831,675.37-330,723.65

Finding the Fourth Proportional to 602,645.96, 831,675.37 and 330,723.65

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Solution

The fourth proportional to 602,645.96, 831,675.37 and 330,723.65 is: 456,411.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,645.96 : 831,675.37 = 330,723.65 : x
  2. Step 2: Convert to fraction form
    602,645.96/831,675.37 = 330,723.65/x
  3. Step 3: Cross multiply
    602,645.96x = 831,675.37 × 330,723.65
  4. Step 4: Simplify right side
    602,645.96x = 275,054,708,169.51
  5. Step 5: Solve for x
    x = 275,054,708,169.51/602,645.96
  6. Step 6: Final answer
    x = 456,411.77

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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.