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Finding the Fourth Proportional to 665,073.38, 917,802.50 and 363,267.38

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Solution

The fourth proportional to 665,073.38, 917,802.50 and 363,267.38 is: 501,309.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,073.38 : 917,802.50 = 363,267.38 : x
  2. Step 2: Convert to fraction form
    665,073.38/917,802.50 = 363,267.38/x
  3. Step 3: Cross multiply
    665,073.38x = 917,802.50 × 363,267.38
  4. Step 4: Simplify right side
    665,073.38x = 333,407,710,010.62
  5. Step 5: Solve for x
    x = 333,407,710,010.62/665,073.38
  6. Step 6: Final answer
    x = 501,309.66

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1.5x scale

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.