Home / 686,335.29-1,028,054.62-550,664.83

Finding the Fourth Proportional to 686,335.29, 1,028,054.62 and 550,664.83

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Solution

The fourth proportional to 686,335.29, 1,028,054.62 and 550,664.83 is: 824,835.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,335.29 : 1,028,054.62 = 550,664.83 : x
  2. Step 2: Convert to fraction form
    686,335.29/1,028,054.62 = 550,664.83/x
  3. Step 3: Cross multiply
    686,335.29x = 1,028,054.62 × 550,664.83
  4. Step 4: Simplify right side
    686,335.29x = 566,113,517,412.74
  5. Step 5: Solve for x
    x = 566,113,517,412.74/686,335.29
  6. Step 6: Final answer
    x = 824,835.22

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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.