Home / 730,725.96-1,008,423.07-399,601.36

Finding the Fourth Proportional to 730,725.96, 1,008,423.07 and 399,601.36

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Solution

The fourth proportional to 730,725.96, 1,008,423.07 and 399,601.36 is: 551,461.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,725.96 : 1,008,423.07 = 399,601.36 : x
  2. Step 2: Convert to fraction form
    730,725.96/1,008,423.07 = 399,601.36/x
  3. Step 3: Cross multiply
    730,725.96x = 1,008,423.07 × 399,601.36
  4. Step 4: Simplify right side
    730,725.96x = 402,967,228,229.37
  5. Step 5: Solve for x
    x = 402,967,228,229.37/730,725.96
  6. Step 6: Final answer
    x = 551,461.49

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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.