Home / 755,913.20-1,133,869.80-377,999.60

Finding the Fourth Proportional to 755,913.20, 1,133,869.80 and 377,999.60

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Solution

The fourth proportional to 755,913.20, 1,133,869.80 and 377,999.60 is: 566,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,913.20 : 1,133,869.80 = 377,999.60 : x
  2. Step 2: Convert to fraction form
    755,913.20/1,133,869.80 = 377,999.60/x
  3. Step 3: Cross multiply
    755,913.20x = 1,133,869.80 × 377,999.60
  4. Step 4: Simplify right side
    755,913.20x = 428,602,330,852.08
  5. Step 5: Solve for x
    x = 428,602,330,852.08/755,913.20
  6. Step 6: Final answer
    x = 566,999.40

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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.