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Finding the Fourth Proportional to 660,550.01, 911,553.87 and 358,744.01

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Solution

The fourth proportional to 660,550.01, 911,553.87 and 358,744.01 is: 495,063.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,550.01 : 911,553.87 = 358,744.01 : x
  2. Step 2: Convert to fraction form
    660,550.01/911,553.87 = 358,744.01/x
  3. Step 3: Cross multiply
    660,550.01x = 911,553.87 × 358,744.01
  4. Step 4: Simplify right side
    660,550.01x = 327,014,489,272.79
  5. Step 5: Solve for x
    x = 327,014,489,272.79/660,550.01
  6. Step 6: Final answer
    x = 495,063.94

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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.