Home / 763,264.92-1,144,901.32-447,500.39

Finding the Fourth Proportional to 763,264.92, 1,144,901.32 and 447,500.39

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Solution

The fourth proportional to 763,264.92, 1,144,901.32 and 447,500.39 is: 671,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,264.92 : 1,144,901.32 = 447,500.39 : x
  2. Step 2: Convert to fraction form
    763,264.92/1,144,901.32 = 447,500.39/x
  3. Step 3: Cross multiply
    763,264.92x = 1,144,901.32 × 447,500.39
  4. Step 4: Simplify right side
    763,264.92x = 512,343,788,889.64
  5. Step 5: Solve for x
    x = 512,343,788,889.64/763,264.92
  6. Step 6: Final answer
    x = 671,252.90

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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.