Home / 494,426.40-741,639.60-307,802.40

Finding the Fourth Proportional to 494,426.40, 741,639.60 and 307,802.40

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Solution

The fourth proportional to 494,426.40, 741,639.60 and 307,802.40 is: 461,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,426.40 : 741,639.60 = 307,802.40 : x
  2. Step 2: Convert to fraction form
    494,426.40/741,639.60 = 307,802.40/x
  3. Step 3: Cross multiply
    494,426.40x = 741,639.60 × 307,802.40
  4. Step 4: Simplify right side
    494,426.40x = 228,278,448,815.04
  5. Step 5: Solve for x
    x = 228,278,448,815.04/494,426.40
  6. Step 6: Final answer
    x = 461,703.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.