Home / 730,141.12-1,007,529.08-407,806.48

Finding the Fourth Proportional to 730,141.12, 1,007,529.08 and 407,806.48

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Solution

The fourth proportional to 730,141.12, 1,007,529.08 and 407,806.48 is: 562,736.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,141.12 : 1,007,529.08 = 407,806.48 : x
  2. Step 2: Convert to fraction form
    730,141.12/1,007,529.08 = 407,806.48/x
  3. Step 3: Cross multiply
    730,141.12x = 1,007,529.08 × 407,806.48
  4. Step 4: Simplify right side
    730,141.12x = 410,876,887,612.44
  5. Step 5: Solve for x
    x = 410,876,887,612.44/730,141.12
  6. Step 6: Final answer
    x = 562,736.27

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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.