Home / 661,949.52-991,977.03-377,051.93

Finding the Fourth Proportional to 661,949.52, 991,977.03 and 377,051.93

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Solution

The fourth proportional to 661,949.52, 991,977.03 and 377,051.93 is: 565,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,949.52 : 991,977.03 = 377,051.93 : x
  2. Step 2: Convert to fraction form
    661,949.52/991,977.03 = 377,051.93/x
  3. Step 3: Cross multiply
    661,949.52x = 991,977.03 × 377,051.93
  4. Step 4: Simplify right side
    661,949.52x = 374,026,853,677.17
  5. Step 5: Solve for x
    x = 374,026,853,677.17/661,949.52
  6. Step 6: Final answer
    x = 565,038.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.