Home / 744,237.36-1,114,947.41-439,720.83

Finding the Fourth Proportional to 744,237.36, 1,114,947.41 and 439,720.83

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Solution

The fourth proportional to 744,237.36, 1,114,947.41 and 439,720.83 is: 658,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,237.36 : 1,114,947.41 = 439,720.83 : x
  2. Step 2: Convert to fraction form
    744,237.36/1,114,947.41 = 439,720.83/x
  3. Step 3: Cross multiply
    744,237.36x = 1,114,947.41 × 439,720.83
  4. Step 4: Simplify right side
    744,237.36x = 490,265,598,332.95
  5. Step 5: Solve for x
    x = 490,265,598,332.95/744,237.36
  6. Step 6: Final answer
    x = 658,748.98

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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.