Home / 993,803.18-1,371,345.39-558,269.42

Finding the Fourth Proportional to 993,803.18, 1,371,345.39 and 558,269.42

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Solution

The fourth proportional to 993,803.18, 1,371,345.39 and 558,269.42 is: 770,353.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,803.18 : 1,371,345.39 = 558,269.42 : x
  2. Step 2: Convert to fraction form
    993,803.18/1,371,345.39 = 558,269.42/x
  3. Step 3: Cross multiply
    993,803.18x = 1,371,345.39 × 558,269.42
  4. Step 4: Simplify right side
    993,803.18x = 765,580,188,638.25
  5. Step 5: Solve for x
    x = 765,580,188,638.25/993,803.18
  6. Step 6: Final answer
    x = 770,353.94

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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.