Home / 615,426.63-848,619.21-400,167.51

Finding the Fourth Proportional to 615,426.63, 848,619.21 and 400,167.51

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Solution

The fourth proportional to 615,426.63, 848,619.21 and 400,167.51 is: 551,795.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,426.63 : 848,619.21 = 400,167.51 : x
  2. Step 2: Convert to fraction form
    615,426.63/848,619.21 = 400,167.51/x
  3. Step 3: Cross multiply
    615,426.63x = 848,619.21 × 400,167.51
  4. Step 4: Simplify right side
    615,426.63x = 339,589,834,522.17
  5. Step 5: Solve for x
    x = 339,589,834,522.17/615,426.63
  6. Step 6: Final answer
    x = 551,795.81

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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.