Home / 903,835.03-1,247,402.96-521,861.17

Finding the Fourth Proportional to 903,835.03, 1,247,402.96 and 521,861.17

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Solution

The fourth proportional to 903,835.03, 1,247,402.96 and 521,861.17 is: 720,232.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,835.03 : 1,247,402.96 = 521,861.17 : x
  2. Step 2: Convert to fraction form
    903,835.03/1,247,402.96 = 521,861.17/x
  3. Step 3: Cross multiply
    903,835.03x = 1,247,402.96 × 521,861.17
  4. Step 4: Simplify right side
    903,835.03x = 650,971,168,167.06
  5. Step 5: Solve for x
    x = 650,971,168,167.06/903,835.03
  6. Step 6: Final answer
    x = 720,232.28

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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.