Home / 503,837.70-695,438.91-331,881.18

Finding the Fourth Proportional to 503,837.70, 695,438.91 and 331,881.18

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Solution

The fourth proportional to 503,837.70, 695,438.91 and 331,881.18 is: 458,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,837.70 : 695,438.91 = 331,881.18 : x
  2. Step 2: Convert to fraction form
    503,837.70/695,438.91 = 331,881.18/x
  3. Step 3: Cross multiply
    503,837.70x = 695,438.91 × 331,881.18
  4. Step 4: Simplify right side
    503,837.70x = 230,803,086,068.71
  5. Step 5: Solve for x
    x = 230,803,086,068.71/503,837.70
  6. Step 6: Final answer
    x = 458,090.15

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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.