Home / 718,510.40-1,077,765.60-452,571.20

Finding the Fourth Proportional to 718,510.40, 1,077,765.60 and 452,571.20

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Solution

The fourth proportional to 718,510.40, 1,077,765.60 and 452,571.20 is: 678,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,510.40 : 1,077,765.60 = 452,571.20 : x
  2. Step 2: Convert to fraction form
    718,510.40/1,077,765.60 = 452,571.20/x
  3. Step 3: Cross multiply
    718,510.40x = 1,077,765.60 × 452,571.20
  4. Step 4: Simplify right side
    718,510.40x = 487,765,670,910.72
  5. Step 5: Solve for x
    x = 487,765,670,910.72/718,510.40
  6. Step 6: Final answer
    x = 678,856.80

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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.