Home / 689,138.26-1,032,652.20-463,663.42

Finding the Fourth Proportional to 689,138.26, 1,032,652.20 and 463,663.42

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Solution

The fourth proportional to 689,138.26, 1,032,652.20 and 463,663.42 is: 694,785.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,138.26 : 1,032,652.20 = 463,663.42 : x
  2. Step 2: Convert to fraction form
    689,138.26/1,032,652.20 = 463,663.42/x
  3. Step 3: Cross multiply
    689,138.26x = 1,032,652.20 × 463,663.42
  4. Step 4: Simplify right side
    689,138.26x = 478,803,050,722.52
  5. Step 5: Solve for x
    x = 478,803,050,722.52/689,138.26
  6. Step 6: Final answer
    x = 694,785.18

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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.