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Finding the Fourth Proportional to 608,612.94, 839,948.64 and 350,498.34

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Solution

The fourth proportional to 608,612.94, 839,948.64 and 350,498.34 is: 483,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,612.94 : 839,948.64 = 350,498.34 : x
  2. Step 2: Convert to fraction form
    608,612.94/839,948.64 = 350,498.34/x
  3. Step 3: Cross multiply
    608,612.94x = 839,948.64 × 350,498.34
  4. Step 4: Simplify right side
    608,612.94x = 294,400,602,690.89
  5. Step 5: Solve for x
    x = 294,400,602,690.89/608,612.94
  6. Step 6: Final answer
    x = 483,723.86

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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.