Home / 993,084.88-1,488,460.74-459,478.48

Finding the Fourth Proportional to 993,084.88, 1,488,460.74 and 459,478.48

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Solution

The fourth proportional to 993,084.88, 1,488,460.74 and 459,478.48 is: 688,677.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,084.88 : 1,488,460.74 = 459,478.48 : x
  2. Step 2: Convert to fraction form
    993,084.88/1,488,460.74 = 459,478.48/x
  3. Step 3: Cross multiply
    993,084.88x = 1,488,460.74 × 459,478.48
  4. Step 4: Simplify right side
    993,084.88x = 683,915,678,354.88
  5. Step 5: Solve for x
    x = 683,915,678,354.88/993,084.88
  6. Step 6: Final answer
    x = 688,677.97

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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.