Home / 993,793.62-1,371,468.60-558,287.40

Finding the Fourth Proportional to 993,793.62, 1,371,468.60 and 558,287.40

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Solution

The fourth proportional to 993,793.62, 1,371,468.60 and 558,287.40 is: 770,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,793.62 : 1,371,468.60 = 558,287.40 : x
  2. Step 2: Convert to fraction form
    993,793.62/1,371,468.60 = 558,287.40/x
  3. Step 3: Cross multiply
    993,793.62x = 1,371,468.60 × 558,287.40
  4. Step 4: Simplify right side
    993,793.62x = 765,673,638,875.64
  5. Step 5: Solve for x
    x = 765,673,638,875.64/993,793.62
  6. Step 6: Final answer
    x = 770,455.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.