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Finding the Fourth Proportional to 615,427.77, 849,333.11 and 343,548.73

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Solution

The fourth proportional to 615,427.77, 849,333.11 and 343,548.73 is: 474,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,427.77 : 849,333.11 = 343,548.73 : x
  2. Step 2: Convert to fraction form
    615,427.77/849,333.11 = 343,548.73/x
  3. Step 3: Cross multiply
    615,427.77x = 849,333.11 × 343,548.73
  4. Step 4: Simplify right side
    615,427.77x = 291,787,307,446.37
  5. Step 5: Solve for x
    x = 291,787,307,446.37/615,427.77
  6. Step 6: Final answer
    x = 474,121.13

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1.5x scale

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.