Home / 686,083.23-1,029,127.05-173,748.06

Finding the Fourth Proportional to 686,083.23, 1,029,127.05 and 173,748.06

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Solution

The fourth proportional to 686,083.23, 1,029,127.05 and 173,748.06 is: 260,622.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,083.23 : 1,029,127.05 = 173,748.06 : x
  2. Step 2: Convert to fraction form
    686,083.23/1,029,127.05 = 173,748.06/x
  3. Step 3: Cross multiply
    686,083.23x = 1,029,127.05 × 173,748.06
  4. Step 4: Simplify right side
    686,083.23x = 178,808,828,431.02
  5. Step 5: Solve for x
    x = 178,808,828,431.02/686,083.23
  6. Step 6: Final answer
    x = 260,622.65

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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.