Home / 725,625.20-1,087,530.60-370,780.40

Finding the Fourth Proportional to 725,625.20, 1,087,530.60 and 370,780.40

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Solution

The fourth proportional to 725,625.20, 1,087,530.60 and 370,780.40 is: 555,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,625.20 : 1,087,530.60 = 370,780.40 : x
  2. Step 2: Convert to fraction form
    725,625.20/1,087,530.60 = 370,780.40/x
  3. Step 3: Cross multiply
    725,625.20x = 1,087,530.60 × 370,780.40
  4. Step 4: Simplify right side
    725,625.20x = 403,235,030,880.24
  5. Step 5: Solve for x
    x = 403,235,030,880.24/725,625.20
  6. Step 6: Final answer
    x = 555,707.04

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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.