Home / 540,392.08-745,779.68-298,669.45

Finding the Fourth Proportional to 540,392.08, 745,779.68 and 298,669.45

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Solution

The fourth proportional to 540,392.08, 745,779.68 and 298,669.45 is: 412,185.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,392.08 : 745,779.68 = 298,669.45 : x
  2. Step 2: Convert to fraction form
    540,392.08/745,779.68 = 298,669.45/x
  3. Step 3: Cross multiply
    540,392.08x = 745,779.68 × 298,669.45
  4. Step 4: Simplify right side
    540,392.08x = 222,741,601,624.53
  5. Step 5: Solve for x
    x = 222,741,601,624.53/540,392.08
  6. Step 6: Final answer
    x = 412,185.17

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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.