Home / 501,521.29-692,085.87-305,214.14

Finding the Fourth Proportional to 501,521.29, 692,085.87 and 305,214.14

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Solution

The fourth proportional to 501,521.29, 692,085.87 and 305,214.14 is: 421,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,521.29 : 692,085.87 = 305,214.14 : x
  2. Step 2: Convert to fraction form
    501,521.29/692,085.87 = 305,214.14/x
  3. Step 3: Cross multiply
    501,521.29x = 692,085.87 × 305,214.14
  4. Step 4: Simplify right side
    501,521.29x = 211,234,395,348.42
  5. Step 5: Solve for x
    x = 211,234,395,348.42/501,521.29
  6. Step 6: Final answer
    x = 421,187.30

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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.