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Finding the Fourth Proportional to 608,293.40, 839,417.18 and 350,178.80

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Solution

The fourth proportional to 608,293.40, 839,417.18 and 350,178.80 is: 483,230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,293.40 : 839,417.18 = 350,178.80 : x
  2. Step 2: Convert to fraction form
    608,293.40/839,417.18 = 350,178.80/x
  3. Step 3: Cross multiply
    608,293.40x = 839,417.18 × 350,178.80
  4. Step 4: Simplify right side
    608,293.40x = 293,946,094,843.80
  5. Step 5: Solve for x
    x = 293,946,094,843.80/608,293.40
  6. Step 6: Final answer
    x = 483,230.79

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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.