Home / 615,056.47-848,778.29-343,124.36

Finding the Fourth Proportional to 615,056.47, 848,778.29 and 343,124.36

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Solution

The fourth proportional to 615,056.47, 848,778.29 and 343,124.36 is: 473,511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,056.47 : 848,778.29 = 343,124.36 : x
  2. Step 2: Convert to fraction form
    615,056.47/848,778.29 = 343,124.36/x
  3. Step 3: Cross multiply
    615,056.47x = 848,778.29 × 343,124.36
  4. Step 4: Simplify right side
    615,056.47x = 291,236,510,365.53
  5. Step 5: Solve for x
    x = 291,236,510,365.53/615,056.47
  6. Step 6: Final answer
    x = 473,511.82

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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.