Home / 916,388.71-1,374,030.64-410,858.26

Finding the Fourth Proportional to 916,388.71, 1,374,030.64 and 410,858.26

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Solution

The fourth proportional to 916,388.71, 1,374,030.64 and 410,858.26 is: 616,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,388.71 : 1,374,030.64 = 410,858.26 : x
  2. Step 2: Convert to fraction form
    916,388.71/1,374,030.64 = 410,858.26/x
  3. Step 3: Cross multiply
    916,388.71x = 1,374,030.64 × 410,858.26
  4. Step 4: Simplify right side
    916,388.71x = 564,531,837,937.09
  5. Step 5: Solve for x
    x = 564,531,837,937.09/916,388.71
  6. Step 6: Final answer
    x = 616,039.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.