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Finding the Fourth Proportional to 615,808.24, 849,807 and 343,880.56

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Solution

The fourth proportional to 615,808.24, 849,807 and 343,880.56 is: 474,550.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,808.24 : 849,807 = 343,880.56 : x
  2. Step 2: Convert to fraction form
    615,808.24/849,807 = 343,880.56/x
  3. Step 3: Cross multiply
    615,808.24x = 849,807 × 343,880.56
  4. Step 4: Simplify right side
    615,808.24x = 292,232,107,051.92
  5. Step 5: Solve for x
    x = 292,232,107,051.92/615,808.24
  6. Step 6: Final answer
    x = 474,550.50

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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.