Home / 508,747.07-702,035.83-282,374.75

Finding the Fourth Proportional to 508,747.07, 702,035.83 and 282,374.75

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Solution

The fourth proportional to 508,747.07, 702,035.83 and 282,374.75 is: 389,657.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,747.07 : 702,035.83 = 282,374.75 : x
  2. Step 2: Convert to fraction form
    508,747.07/702,035.83 = 282,374.75/x
  3. Step 3: Cross multiply
    508,747.07x = 702,035.83 × 282,374.75
  4. Step 4: Simplify right side
    508,747.07x = 198,237,191,987.29
  5. Step 5: Solve for x
    x = 198,237,191,987.29/508,747.07
  6. Step 6: Final answer
    x = 389,657.66

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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.