Home / 774,302.13-1,161,453.20-301,098.21

Finding the Fourth Proportional to 774,302.13, 1,161,453.20 and 301,098.21

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Solution

The fourth proportional to 774,302.13, 1,161,453.20 and 301,098.21 is: 451,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,302.13 : 1,161,453.20 = 301,098.21 : x
  2. Step 2: Convert to fraction form
    774,302.13/1,161,453.20 = 301,098.21/x
  3. Step 3: Cross multiply
    774,302.13x = 1,161,453.20 × 301,098.21
  4. Step 4: Simplify right side
    774,302.13x = 349,711,478,013.28
  5. Step 5: Solve for x
    x = 349,711,478,013.28/774,302.13
  6. Step 6: Final answer
    x = 451,647.32

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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.