Home / 664,032.80-916,272.84-377,521.22

Finding the Fourth Proportional to 664,032.80, 916,272.84 and 377,521.22

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Solution

The fourth proportional to 664,032.80, 916,272.84 and 377,521.22 is: 520,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,032.80 : 916,272.84 = 377,521.22 : x
  2. Step 2: Convert to fraction form
    664,032.80/916,272.84 = 377,521.22/x
  3. Step 3: Cross multiply
    664,032.80x = 916,272.84 × 377,521.22
  4. Step 4: Simplify right side
    664,032.80x = 345,912,440,409.67
  5. Step 5: Solve for x
    x = 345,912,440,409.67/664,032.80
  6. Step 6: Final answer
    x = 520,926.74

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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.