Home / 993,820.69-1,371,369.54-558,286.93

Finding the Fourth Proportional to 993,820.69, 1,371,369.54 and 558,286.93

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Solution

The fourth proportional to 993,820.69, 1,371,369.54 and 558,286.93 is: 770,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,820.69 : 1,371,369.54 = 558,286.93 : x
  2. Step 2: Convert to fraction form
    993,820.69/1,371,369.54 = 558,286.93/x
  3. Step 3: Cross multiply
    993,820.69x = 1,371,369.54 × 558,286.93
  4. Step 4: Simplify right side
    993,820.69x = 765,617,690,382.11
  5. Step 5: Solve for x
    x = 765,617,690,382.11/993,820.69
  6. Step 6: Final answer
    x = 770,378.10

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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.