Home / 725,754.93-1,001,602.39-403,495.01

Finding the Fourth Proportional to 725,754.93, 1,001,602.39 and 403,495.01

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Solution

The fourth proportional to 725,754.93, 1,001,602.39 and 403,495.01 is: 556,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,754.93 : 1,001,602.39 = 403,495.01 : x
  2. Step 2: Convert to fraction form
    725,754.93/1,001,602.39 = 403,495.01/x
  3. Step 3: Cross multiply
    725,754.93x = 1,001,602.39 × 403,495.01
  4. Step 4: Simplify right side
    725,754.93x = 404,141,566,369.07
  5. Step 5: Solve for x
    x = 404,141,566,369.07/725,754.93
  6. Step 6: Final answer
    x = 556,856.80

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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.