Home / 903,273.31-1,246,427.35-521,423.11

Finding the Fourth Proportional to 903,273.31, 1,246,427.35 and 521,423.11

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Solution

The fourth proportional to 903,273.31, 1,246,427.35 and 521,423.11 is: 719,512.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,273.31 : 1,246,427.35 = 521,423.11 : x
  2. Step 2: Convert to fraction form
    903,273.31/1,246,427.35 = 521,423.11/x
  3. Step 3: Cross multiply
    903,273.31x = 1,246,427.35 × 521,423.11
  4. Step 4: Simplify right side
    903,273.31x = 649,916,025,226.06
  5. Step 5: Solve for x
    x = 649,916,025,226.06/903,273.31
  6. Step 6: Final answer
    x = 719,512.04

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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.