Home / 686,714.78-1,030,529.22-282,238.70

Finding the Fourth Proportional to 686,714.78, 1,030,529.22 and 282,238.70

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Solution

The fourth proportional to 686,714.78, 1,030,529.22 and 282,238.70 is: 423,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,714.78 : 1,030,529.22 = 282,238.70 : x
  2. Step 2: Convert to fraction form
    686,714.78/1,030,529.22 = 282,238.70/x
  3. Step 3: Cross multiply
    686,714.78x = 1,030,529.22 × 282,238.70
  4. Step 4: Simplify right side
    686,714.78x = 290,855,227,364.81
  5. Step 5: Solve for x
    x = 290,855,227,364.81/686,714.78
  6. Step 6: Final answer
    x = 423,545.90

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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.