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Finding the Fourth Proportional to 942,843, 1,301,123.34 and 540,668.28

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Solution

The fourth proportional to 942,843, 1,301,123.34 and 540,668.28 is: 746,122.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,843 : 1,301,123.34 = 540,668.28 : x
  2. Step 2: Convert to fraction form
    942,843/1,301,123.34 = 540,668.28/x
  3. Step 3: Cross multiply
    942,843x = 1,301,123.34 × 540,668.28
  4. Step 4: Simplify right side
    942,843x = 703,476,118,305.66
  5. Step 5: Solve for x
    x = 703,476,118,305.66/942,843
  6. Step 6: Final answer
    x = 746,122.23

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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.