Home / 993,020.45-1,488,364.27-459,414.32

Finding the Fourth Proportional to 993,020.45, 1,488,364.27 and 459,414.32

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Solution

The fourth proportional to 993,020.45, 1,488,364.27 and 459,414.32 is: 688,581.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,020.45 : 1,488,364.27 = 459,414.32 : x
  2. Step 2: Convert to fraction form
    993,020.45/1,488,364.27 = 459,414.32/x
  3. Step 3: Cross multiply
    993,020.45x = 1,488,364.27 × 459,414.32
  4. Step 4: Simplify right side
    993,020.45x = 683,775,859,014.35
  5. Step 5: Solve for x
    x = 683,775,859,014.35/993,020.45
  6. Step 6: Final answer
    x = 688,581.85

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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.