Home / 894,429.16-1,234,311.78-492,018.28

Finding the Fourth Proportional to 894,429.16, 1,234,311.78 and 492,018.28

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Solution

The fourth proportional to 894,429.16, 1,234,311.78 and 492,018.28 is: 678,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,429.16 : 1,234,311.78 = 492,018.28 : x
  2. Step 2: Convert to fraction form
    894,429.16/1,234,311.78 = 492,018.28/x
  3. Step 3: Cross multiply
    894,429.16x = 1,234,311.78 × 492,018.28
  4. Step 4: Simplify right side
    894,429.16x = 607,303,958,979.34
  5. Step 5: Solve for x
    x = 607,303,958,979.34/894,429.16
  6. Step 6: Final answer
    x = 678,984.97

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Double scale
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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.