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Finding the Fourth Proportional to 542,763.15, 749,102.83 and 301,123.58

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Solution

The fourth proportional to 542,763.15, 749,102.83 and 301,123.58 is: 415,600.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,763.15 : 749,102.83 = 301,123.58 : x
  2. Step 2: Convert to fraction form
    542,763.15/749,102.83 = 301,123.58/x
  3. Step 3: Cross multiply
    542,763.15x = 749,102.83 × 301,123.58
  4. Step 4: Simplify right side
    542,763.15x = 225,572,521,459.41
  5. Step 5: Solve for x
    x = 225,572,521,459.41/542,763.15
  6. Step 6: Final answer
    x = 415,600.29

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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.