Home / 661,953.02-991,982.30-377,055.45

Finding the Fourth Proportional to 661,953.02, 991,982.30 and 377,055.45

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Solution

The fourth proportional to 661,953.02, 991,982.30 and 377,055.45 is: 565,043.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,953.02 : 991,982.30 = 377,055.45 : x
  2. Step 2: Convert to fraction form
    661,953.02/991,982.30 = 377,055.45/x
  3. Step 3: Cross multiply
    661,953.02x = 991,982.30 × 377,055.45
  4. Step 4: Simplify right side
    661,953.02x = 374,032,330,633.26
  5. Step 5: Solve for x
    x = 374,032,330,633.26/661,953.02
  6. Step 6: Final answer
    x = 565,043.62

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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.