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Finding the Fourth Proportional to 650,799.30, 898,076.79 and 378,875.01

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Solution

The fourth proportional to 650,799.30, 898,076.79 and 378,875.01 is: 522,832.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,799.30 : 898,076.79 = 378,875.01 : x
  2. Step 2: Convert to fraction form
    650,799.30/898,076.79 = 378,875.01/x
  3. Step 3: Cross multiply
    650,799.30x = 898,076.79 × 378,875.01
  4. Step 4: Simplify right side
    650,799.30x = 340,258,852,792.02
  5. Step 5: Solve for x
    x = 340,258,852,792.02/650,799.30
  6. Step 6: Final answer
    x = 522,832.24

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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.