Home / 725,802.49-1,001,560.71-403,504.30

Finding the Fourth Proportional to 725,802.49, 1,001,560.71 and 403,504.30

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Solution

The fourth proportional to 725,802.49, 1,001,560.71 and 403,504.30 is: 556,809.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,802.49 : 1,001,560.71 = 403,504.30 : x
  2. Step 2: Convert to fraction form
    725,802.49/1,001,560.71 = 403,504.30/x
  3. Step 3: Cross multiply
    725,802.49x = 1,001,560.71 × 403,504.30
  4. Step 4: Simplify right side
    725,802.49x = 404,134,053,196.05
  5. Step 5: Solve for x
    x = 404,134,053,196.05/725,802.49
  6. Step 6: Final answer
    x = 556,809.96

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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.