Home / 615,430.00-848,623.89-400,170.88

Finding the Fourth Proportional to 615,430.00, 848,623.89 and 400,170.88

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Solution

The fourth proportional to 615,430.00, 848,623.89 and 400,170.88 is: 551,800.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,430.00 : 848,623.89 = 400,170.88 : x
  2. Step 2: Convert to fraction form
    615,430.00/848,623.89 = 400,170.88/x
  3. Step 3: Cross multiply
    615,430.00x = 848,623.89 × 400,170.88
  4. Step 4: Simplify right side
    615,430.00x = 339,594,569,160.78
  5. Step 5: Solve for x
    x = 339,594,569,160.78/615,430.00
  6. Step 6: Final answer
    x = 551,800.48

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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.