Home / 478,565.72-660,450.04-263,705.84

Finding the Fourth Proportional to 478,565.72, 660,450.04 and 263,705.84

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Solution

The fourth proportional to 478,565.72, 660,450.04 and 263,705.84 is: 363,930.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,565.72 : 660,450.04 = 263,705.84 : x
  2. Step 2: Convert to fraction form
    478,565.72/660,450.04 = 263,705.84/x
  3. Step 3: Cross multiply
    478,565.72x = 660,450.04 × 263,705.84
  4. Step 4: Simplify right side
    478,565.72x = 174,164,532,576.23
  5. Step 5: Solve for x
    x = 174,164,532,576.23/478,565.72
  6. Step 6: Final answer
    x = 363,930.23

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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.