Home / 763,265.92-1,144,902.82-447,501.39

Finding the Fourth Proportional to 763,265.92, 1,144,902.82 and 447,501.39

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Solution

The fourth proportional to 763,265.92, 1,144,902.82 and 447,501.39 is: 671,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,265.92 : 1,144,902.82 = 447,501.39 : x
  2. Step 2: Convert to fraction form
    763,265.92/1,144,902.82 = 447,501.39/x
  3. Step 3: Cross multiply
    763,265.92x = 1,144,902.82 × 447,501.39
  4. Step 4: Simplify right side
    763,265.92x = 512,345,603,364.92
  5. Step 5: Solve for x
    x = 512,345,603,364.92/763,265.92
  6. Step 6: Final answer
    x = 671,254.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.