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Finding the Fourth Proportional to 654,601.69, 903,341.73 and 368,121.70

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Solution

The fourth proportional to 654,601.69, 903,341.73 and 368,121.70 is: 508,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,601.69 : 903,341.73 = 368,121.70 : x
  2. Step 2: Convert to fraction form
    654,601.69/903,341.73 = 368,121.70/x
  3. Step 3: Cross multiply
    654,601.69x = 903,341.73 × 368,121.70
  4. Step 4: Simplify right side
    654,601.69x = 332,539,693,328.54
  5. Step 5: Solve for x
    x = 332,539,693,328.54/654,601.69
  6. Step 6: Final answer
    x = 508,003.11

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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.