Home / 993,007.35-1,370,309.79-563,278.25

Finding the Fourth Proportional to 993,007.35, 1,370,309.79 and 563,278.25

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Solution

The fourth proportional to 993,007.35, 1,370,309.79 and 563,278.25 is: 777,301.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,007.35 : 1,370,309.79 = 563,278.25 : x
  2. Step 2: Convert to fraction form
    993,007.35/1,370,309.79 = 563,278.25/x
  3. Step 3: Cross multiply
    993,007.35x = 1,370,309.79 × 563,278.25
  4. Step 4: Simplify right side
    993,007.35x = 771,865,700,469.07
  5. Step 5: Solve for x
    x = 771,865,700,469.07/993,007.35
  6. Step 6: Final answer
    x = 777,301.09

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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.