Home / 494,501.40-741,752.10-328,289.40

Finding the Fourth Proportional to 494,501.40, 741,752.10 and 328,289.40

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Solution

The fourth proportional to 494,501.40, 741,752.10 and 328,289.40 is: 492,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,501.40 : 741,752.10 = 328,289.40 : x
  2. Step 2: Convert to fraction form
    494,501.40/741,752.10 = 328,289.40/x
  3. Step 3: Cross multiply
    494,501.40x = 741,752.10 × 328,289.40
  4. Step 4: Simplify right side
    494,501.40x = 243,509,351,857.74
  5. Step 5: Solve for x
    x = 243,509,351,857.74/494,501.40
  6. Step 6: Final answer
    x = 492,434.10

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Double scale
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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.