Home / 755,701.20-1,133,400.24-371,289.60

Finding the Fourth Proportional to 755,701.20, 1,133,400.24 and 371,289.60

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Solution

The fourth proportional to 755,701.20, 1,133,400.24 and 371,289.60 is: 556,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,701.20 : 1,133,400.24 = 371,289.60 : x
  2. Step 2: Convert to fraction form
    755,701.20/1,133,400.24 = 371,289.60/x
  3. Step 3: Cross multiply
    755,701.20x = 1,133,400.24 × 371,289.60
  4. Step 4: Simplify right side
    755,701.20x = 420,819,721,749.50
  5. Step 5: Solve for x
    x = 420,819,721,749.50/755,701.20
  6. Step 6: Final answer
    x = 556,859.94

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1.5x scale

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.