Home / 525,719.80-724,737.96-374,554.36

Finding the Fourth Proportional to 525,719.80, 724,737.96 and 374,554.36

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Solution

The fourth proportional to 525,719.80, 724,737.96 and 374,554.36 is: 516,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,719.80 : 724,737.96 = 374,554.36 : x
  2. Step 2: Convert to fraction form
    525,719.80/724,737.96 = 374,554.36/x
  3. Step 3: Cross multiply
    525,719.80x = 724,737.96 × 374,554.36
  4. Step 4: Simplify right side
    525,719.80x = 271,453,762,775.51
  5. Step 5: Solve for x
    x = 271,453,762,775.51/525,719.80
  6. Step 6: Final answer
    x = 516,346.85

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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.