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Finding the Fourth Proportional to 637,996.77, 955,419.49 and 475,501.22

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Solution

The fourth proportional to 637,996.77, 955,419.49 and 475,501.22 is: 712,077.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,996.77 : 955,419.49 = 475,501.22 : x
  2. Step 2: Convert to fraction form
    637,996.77/955,419.49 = 475,501.22/x
  3. Step 3: Cross multiply
    637,996.77x = 955,419.49 × 475,501.22
  4. Step 4: Simplify right side
    637,996.77x = 454,303,130,723.75
  5. Step 5: Solve for x
    x = 454,303,130,723.75/637,996.77
  6. Step 6: Final answer
    x = 712,077.47

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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.