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Finding the Fourth Proportional to 884,448, 1,326,686.40 and 253,359.36

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Solution

The fourth proportional to 884,448, 1,326,686.40 and 253,359.36 is: 380,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,448 : 1,326,686.40 = 253,359.36 : x
  2. Step 2: Convert to fraction form
    884,448/1,326,686.40 = 253,359.36/x
  3. Step 3: Cross multiply
    884,448x = 1,326,686.40 × 253,359.36
  4. Step 4: Simplify right side
    884,448x = 336,128,417,224.70
  5. Step 5: Solve for x
    x = 336,128,417,224.70/884,448
  6. Step 6: Final answer
    x = 380,043.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.