Home / 414,547.84-621,822.06-115,028.72

Finding the Fourth Proportional to 414,547.84, 621,822.06 and 115,028.72

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Solution

The fourth proportional to 414,547.84, 621,822.06 and 115,028.72 is: 172,543.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,547.84 : 621,822.06 = 115,028.72 : x
  2. Step 2: Convert to fraction form
    414,547.84/621,822.06 = 115,028.72/x
  3. Step 3: Cross multiply
    414,547.84x = 621,822.06 × 115,028.72
  4. Step 4: Simplify right side
    414,547.84x = 71,527,392,779.89
  5. Step 5: Solve for x
    x = 71,527,392,779.89/414,547.84
  6. Step 6: Final answer
    x = 172,543.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.