Home / 497,895.92-686,900.76-306,577.52

Finding the Fourth Proportional to 497,895.92, 686,900.76 and 306,577.52

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Solution

The fourth proportional to 497,895.92, 686,900.76 and 306,577.52 is: 422,956.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,895.92 : 686,900.76 = 306,577.52 : x
  2. Step 2: Convert to fraction form
    497,895.92/686,900.76 = 306,577.52/x
  3. Step 3: Cross multiply
    497,895.92x = 686,900.76 × 306,577.52
  4. Step 4: Simplify right side
    497,895.92x = 210,588,331,486.92
  5. Step 5: Solve for x
    x = 210,588,331,486.92/497,895.92
  6. Step 6: Final answer
    x = 422,956.53

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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.