Home / 898,320.80-1,345,512.90-477,104.60

Finding the Fourth Proportional to 898,320.80, 1,345,512.90 and 477,104.60

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Solution

The fourth proportional to 898,320.80, 1,345,512.90 and 477,104.60 is: 714,611.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,320.80 : 1,345,512.90 = 477,104.60 : x
  2. Step 2: Convert to fraction form
    898,320.80/1,345,512.90 = 477,104.60/x
  3. Step 3: Cross multiply
    898,320.80x = 1,345,512.90 × 477,104.60
  4. Step 4: Simplify right side
    898,320.80x = 641,950,393,949.34
  5. Step 5: Solve for x
    x = 641,950,393,949.34/898,320.80
  6. Step 6: Final answer
    x = 714,611.52

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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.