Home / 664,085.52-916,433.72-377,605.58

Finding the Fourth Proportional to 664,085.52, 916,433.72 and 377,605.58

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Solution

The fourth proportional to 664,085.52, 916,433.72 and 377,605.58 is: 521,093.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,085.52 : 916,433.72 = 377,605.58 : x
  2. Step 2: Convert to fraction form
    664,085.52/916,433.72 = 377,605.58/x
  3. Step 3: Cross multiply
    664,085.52x = 916,433.72 × 377,605.58
  4. Step 4: Simplify right side
    664,085.52x = 346,050,486,372.16
  5. Step 5: Solve for x
    x = 346,050,486,372.16/664,085.52
  6. Step 6: Final answer
    x = 521,093.26

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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.