Home / 525,165.48-724,731.36-298,811.04

Finding the Fourth Proportional to 525,165.48, 724,731.36 and 298,811.04

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Solution

The fourth proportional to 525,165.48, 724,731.36 and 298,811.04 is: 412,360.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,165.48 : 724,731.36 = 298,811.04 : x
  2. Step 2: Convert to fraction form
    525,165.48/724,731.36 = 298,811.04/x
  3. Step 3: Cross multiply
    525,165.48x = 724,731.36 × 298,811.04
  4. Step 4: Simplify right side
    525,165.48x = 216,557,731,402.21
  5. Step 5: Solve for x
    x = 216,557,731,402.21/525,165.48
  6. Step 6: Final answer
    x = 412,360.94

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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.