Home / 758,624.70-1,138,265.10-384,647.70

Finding the Fourth Proportional to 758,624.70, 1,138,265.10 and 384,647.70

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Solution

The fourth proportional to 758,624.70, 1,138,265.10 and 384,647.70 is: 577,137.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,624.70 : 1,138,265.10 = 384,647.70 : x
  2. Step 2: Convert to fraction form
    758,624.70/1,138,265.10 = 384,647.70/x
  3. Step 3: Cross multiply
    758,624.70x = 1,138,265.10 × 384,647.70
  4. Step 4: Simplify right side
    758,624.70x = 437,831,052,705.27
  5. Step 5: Solve for x
    x = 437,831,052,705.27/758,624.70
  6. Step 6: Final answer
    x = 577,137.88

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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.