Home / 842,520.48-1,162,887.20-480,159.28

Finding the Fourth Proportional to 842,520.48, 1,162,887.20 and 480,159.28

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Solution

The fourth proportional to 842,520.48, 1,162,887.20 and 480,159.28 is: 662,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,520.48 : 1,162,887.20 = 480,159.28 : x
  2. Step 2: Convert to fraction form
    842,520.48/1,162,887.20 = 480,159.28/x
  3. Step 3: Cross multiply
    842,520.48x = 1,162,887.20 × 480,159.28
  4. Step 4: Simplify right side
    842,520.48x = 558,371,080,673.22
  5. Step 5: Solve for x
    x = 558,371,080,673.22/842,520.48
  6. Step 6: Final answer
    x = 662,738.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.