Home / 642,723.33-886,346.37-384,558.93

Finding the Fourth Proportional to 642,723.33, 886,346.37 and 384,558.93

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Solution

The fourth proportional to 642,723.33, 886,346.37 and 384,558.93 is: 530,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,723.33 : 886,346.37 = 384,558.93 : x
  2. Step 2: Convert to fraction form
    642,723.33/886,346.37 = 384,558.93/x
  3. Step 3: Cross multiply
    642,723.33x = 886,346.37 × 384,558.93
  4. Step 4: Simplify right side
    642,723.33x = 340,852,411,656.58
  5. Step 5: Solve for x
    x = 340,852,411,656.58/642,723.33
  6. Step 6: Final answer
    x = 530,325.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.