Home / 725,627.20-1,087,533.60-370,782.40

Finding the Fourth Proportional to 725,627.20, 1,087,533.60 and 370,782.40

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Solution

The fourth proportional to 725,627.20, 1,087,533.60 and 370,782.40 is: 555,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,627.20 : 1,087,533.60 = 370,782.40 : x
  2. Step 2: Convert to fraction form
    725,627.20/1,087,533.60 = 370,782.40/x
  3. Step 3: Cross multiply
    725,627.20x = 1,087,533.60 × 370,782.40
  4. Step 4: Simplify right side
    725,627.20x = 403,238,318,288.64
  5. Step 5: Solve for x
    x = 403,238,318,288.64/725,627.20
  6. Step 6: Final answer
    x = 555,710.04

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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.