Home / 872,573.42-1,204,004.59-485,338.34

Finding the Fourth Proportional to 872,573.42, 1,204,004.59 and 485,338.34

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Solution

The fourth proportional to 872,573.42, 1,204,004.59 and 485,338.34 is: 669,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,573.42 : 1,204,004.59 = 485,338.34 : x
  2. Step 2: Convert to fraction form
    872,573.42/1,204,004.59 = 485,338.34/x
  3. Step 3: Cross multiply
    872,573.42x = 1,204,004.59 × 485,338.34
  4. Step 4: Simplify right side
    872,573.42x = 584,349,590,859.65
  5. Step 5: Solve for x
    x = 584,349,590,859.65/872,573.42
  6. Step 6: Final answer
    x = 669,685.30

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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.