Home / 903,285.69-1,246,444.43-521,435.49

Finding the Fourth Proportional to 903,285.69, 1,246,444.43 and 521,435.49

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Solution

The fourth proportional to 903,285.69, 1,246,444.43 and 521,435.49 is: 719,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,285.69 : 1,246,444.43 = 521,435.49 : x
  2. Step 2: Convert to fraction form
    903,285.69/1,246,444.43 = 521,435.49/x
  3. Step 3: Cross multiply
    903,285.69x = 1,246,444.43 × 521,435.49
  4. Step 4: Simplify right side
    903,285.69x = 649,940,362,114.82
  5. Step 5: Solve for x
    x = 649,940,362,114.82/903,285.69
  6. Step 6: Final answer
    x = 719,529.12

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Double scale
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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.