Home / 801,718.48-1,106,339.12-479,606.64

Finding the Fourth Proportional to 801,718.48, 1,106,339.12 and 479,606.64

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Solution

The fourth proportional to 801,718.48, 1,106,339.12 and 479,606.64 is: 661,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,718.48 : 1,106,339.12 = 479,606.64 : x
  2. Step 2: Convert to fraction form
    801,718.48/1,106,339.12 = 479,606.64/x
  3. Step 3: Cross multiply
    801,718.48x = 1,106,339.12 × 479,606.64
  4. Step 4: Simplify right side
    801,718.48x = 530,607,588,043.76
  5. Step 5: Solve for x
    x = 530,607,588,043.76/801,718.48
  6. Step 6: Final answer
    x = 661,837.79

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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.