Home / 903,285.82-1,246,444.60-521,435.62

Finding the Fourth Proportional to 903,285.82, 1,246,444.60 and 521,435.62

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Solution

The fourth proportional to 903,285.82, 1,246,444.60 and 521,435.62 is: 719,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,285.82 : 1,246,444.60 = 521,435.62 : x
  2. Step 2: Convert to fraction form
    903,285.82/1,246,444.60 = 521,435.62/x
  3. Step 3: Cross multiply
    903,285.82x = 1,246,444.60 × 521,435.62
  4. Step 4: Simplify right side
    903,285.82x = 649,940,612,796.65
  5. Step 5: Solve for x
    x = 649,940,612,796.65/903,285.82
  6. Step 6: Final answer
    x = 719,529.30

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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.