Home / 816,001.32-1,126,107.18-448,471.79

Finding the Fourth Proportional to 816,001.32, 1,126,107.18 and 448,471.79

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Solution

The fourth proportional to 816,001.32, 1,126,107.18 and 448,471.79 is: 618,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,001.32 : 1,126,107.18 = 448,471.79 : x
  2. Step 2: Convert to fraction form
    816,001.32/1,126,107.18 = 448,471.79/x
  3. Step 3: Cross multiply
    816,001.32x = 1,126,107.18 × 448,471.79
  4. Step 4: Simplify right side
    816,001.32x = 505,027,302,746.45
  5. Step 5: Solve for x
    x = 505,027,302,746.45/816,001.32
  6. Step 6: Final answer
    x = 618,905.01

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Double scale
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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.