Home / 741,649.80-1,112,820.30-555,025.80

Finding the Fourth Proportional to 741,649.80, 1,112,820.30 and 555,025.80

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Solution

The fourth proportional to 741,649.80, 1,112,820.30 and 555,025.80 is: 832,797.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,649.80 : 1,112,820.30 = 555,025.80 : x
  2. Step 2: Convert to fraction form
    741,649.80/1,112,820.30 = 555,025.80/x
  3. Step 3: Cross multiply
    741,649.80x = 1,112,820.30 × 555,025.80
  4. Step 4: Simplify right side
    741,649.80x = 617,643,977,263.74
  5. Step 5: Solve for x
    x = 617,643,977,263.74/741,649.80
  6. Step 6: Final answer
    x = 832,797.34

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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.