Home / 993,024.45-1,488,370.28-459,418.32

Finding the Fourth Proportional to 993,024.45, 1,488,370.28 and 459,418.32

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Solution

The fourth proportional to 993,024.45, 1,488,370.28 and 459,418.32 is: 688,587.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,024.45 : 1,488,370.28 = 459,418.32 : x
  2. Step 2: Convert to fraction form
    993,024.45/1,488,370.28 = 459,418.32/x
  3. Step 3: Cross multiply
    993,024.45x = 1,488,370.28 × 459,418.32
  4. Step 4: Simplify right side
    993,024.45x = 683,784,571,278.44
  5. Step 5: Solve for x
    x = 683,784,571,278.44/993,024.45
  6. Step 6: Final answer
    x = 688,587.85

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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.