Home / 903,272.01-1,246,513.46-521,298.79

Finding the Fourth Proportional to 903,272.01, 1,246,513.46 and 521,298.79

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Solution

The fourth proportional to 903,272.01, 1,246,513.46 and 521,298.79 is: 719,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,272.01 : 1,246,513.46 = 521,298.79 : x
  2. Step 2: Convert to fraction form
    903,272.01/1,246,513.46 = 521,298.79/x
  3. Step 3: Cross multiply
    903,272.01x = 1,246,513.46 × 521,298.79
  4. Step 4: Simplify right side
    903,272.01x = 649,805,952,693.94
  5. Step 5: Solve for x
    x = 649,805,952,693.94/903,272.01
  6. Step 6: Final answer
    x = 719,391.22

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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.