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Finding the Fourth Proportional to 615,584.79, 849,549.80 and 343,706.13

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Solution

The fourth proportional to 615,584.79, 849,549.80 and 343,706.13 is: 474,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,584.79 : 849,549.80 = 343,706.13 : x
  2. Step 2: Convert to fraction form
    615,584.79/849,549.80 = 343,706.13/x
  3. Step 3: Cross multiply
    615,584.79x = 849,549.80 × 343,706.13
  4. Step 4: Simplify right side
    615,584.79x = 291,995,474,859.54
  5. Step 5: Solve for x
    x = 291,995,474,859.54/615,584.79
  6. Step 6: Final answer
    x = 474,338.35

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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.