Home / 525,125.08-724,689.30-298,785.16

Finding the Fourth Proportional to 525,125.08, 724,689.30 and 298,785.16

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Solution

The fourth proportional to 525,125.08, 724,689.30 and 298,785.16 is: 412,333.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,125.08 : 724,689.30 = 298,785.16 : x
  2. Step 2: Convert to fraction form
    525,125.08/724,689.30 = 298,785.16/x
  3. Step 3: Cross multiply
    525,125.08x = 724,689.30 × 298,785.16
  4. Step 4: Simplify right side
    525,125.08x = 216,526,408,450.79
  5. Step 5: Solve for x
    x = 216,526,408,450.79/525,125.08
  6. Step 6: Final answer
    x = 412,333.02

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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.