Home / 686,068.64-1,029,009.54-180,587.29

Finding the Fourth Proportional to 686,068.64, 1,029,009.54 and 180,587.29

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Solution

The fourth proportional to 686,068.64, 1,029,009.54 and 180,587.29 is: 270,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,068.64 : 1,029,009.54 = 180,587.29 : x
  2. Step 2: Convert to fraction form
    686,068.64/1,029,009.54 = 180,587.29/x
  3. Step 3: Cross multiply
    686,068.64x = 1,029,009.54 × 180,587.29
  4. Step 4: Simplify right side
    686,068.64x = 185,826,040,658.49
  5. Step 5: Solve for x
    x = 185,826,040,658.49/686,068.64
  6. Step 6: Final answer
    x = 270,856.34

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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.