Home / 725,387.79-1,001,004.84-403,095

Finding the Fourth Proportional to 725,387.79, 1,001,004.84 and 403,095

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Solution

The fourth proportional to 725,387.79, 1,001,004.84 and 403,095 is: 556,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,387.79 : 1,001,004.84 = 403,095 : x
  2. Step 2: Convert to fraction form
    725,387.79/1,001,004.84 = 403,095/x
  3. Step 3: Cross multiply
    725,387.79x = 1,001,004.84 × 403,095
  4. Step 4: Simplify right side
    725,387.79x = 403,500,045,979.80
  5. Step 5: Solve for x
    x = 403,500,045,979.80/725,387.79
  6. Step 6: Final answer
    x = 556,254.26

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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.