Home / 993,024.20-1,488,369.90-459,418.16

Finding the Fourth Proportional to 993,024.20, 1,488,369.90 and 459,418.16

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Solution

The fourth proportional to 993,024.20, 1,488,369.90 and 459,418.16 is: 688,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,024.20 : 1,488,369.90 = 459,418.16 : x
  2. Step 2: Convert to fraction form
    993,024.20/1,488,369.90 = 459,418.16/x
  3. Step 3: Cross multiply
    993,024.20x = 1,488,369.90 × 459,418.16
  4. Step 4: Simplify right side
    993,024.20x = 683,784,160,857.38
  5. Step 5: Solve for x
    x = 683,784,160,857.38/993,024.20
  6. Step 6: Final answer
    x = 688,587.61

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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.