Home / 922,747.20-1,384,120.80-607,819.20

Finding the Fourth Proportional to 922,747.20, 1,384,120.80 and 607,819.20

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Solution

The fourth proportional to 922,747.20, 1,384,120.80 and 607,819.20 is: 911,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,747.20 : 1,384,120.80 = 607,819.20 : x
  2. Step 2: Convert to fraction form
    922,747.20/1,384,120.80 = 607,819.20/x
  3. Step 3: Cross multiply
    922,747.20x = 1,384,120.80 × 607,819.20
  4. Step 4: Simplify right side
    922,747.20x = 841,295,197,359.36
  5. Step 5: Solve for x
    x = 841,295,197,359.36/922,747.20
  6. Step 6: Final answer
    x = 911,728.80

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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.