Home / 525,156.14-724,719.84-298,816.22

Finding the Fourth Proportional to 525,156.14, 724,719.84 and 298,816.22

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Solution

The fourth proportional to 525,156.14, 724,719.84 and 298,816.22 is: 412,368.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,156.14 : 724,719.84 = 298,816.22 : x
  2. Step 2: Convert to fraction form
    525,156.14/724,719.84 = 298,816.22/x
  3. Step 3: Cross multiply
    525,156.14x = 724,719.84 × 298,816.22
  4. Step 4: Simplify right side
    525,156.14x = 216,558,043,147.81
  5. Step 5: Solve for x
    x = 216,558,043,147.81/525,156.14
  6. Step 6: Final answer
    x = 412,368.87

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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.