Home / 816,917.92-1,127,180.08-477,320.48

Finding the Fourth Proportional to 816,917.92, 1,127,180.08 and 477,320.48

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Solution

The fourth proportional to 816,917.92, 1,127,180.08 and 477,320.48 is: 658,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,917.92 : 1,127,180.08 = 477,320.48 : x
  2. Step 2: Convert to fraction form
    816,917.92/1,127,180.08 = 477,320.48/x
  3. Step 3: Cross multiply
    816,917.92x = 1,127,180.08 × 477,320.48
  4. Step 4: Simplify right side
    816,917.92x = 538,026,136,832.04
  5. Step 5: Solve for x
    x = 538,026,136,832.04/816,917.92
  6. Step 6: Final answer
    x = 658,604.89

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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.