Home / 852,870.90-1,279,503.16-453,896.48

Finding the Fourth Proportional to 852,870.90, 1,279,503.16 and 453,896.48

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Solution

The fourth proportional to 852,870.90, 1,279,503.16 and 453,896.48 is: 680,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,870.90 : 1,279,503.16 = 453,896.48 : x
  2. Step 2: Convert to fraction form
    852,870.90/1,279,503.16 = 453,896.48/x
  3. Step 3: Cross multiply
    852,870.90x = 1,279,503.16 × 453,896.48
  4. Step 4: Simplify right side
    852,870.90x = 580,761,980,472.88
  5. Step 5: Solve for x
    x = 580,761,980,472.88/852,870.90
  6. Step 6: Final answer
    x = 680,949.46

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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.