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Finding the Fourth Proportional to 901,716, 1,244,368.08 and 499,308

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Solution

The fourth proportional to 901,716, 1,244,368.08 and 499,308 is: 689,045.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,716 : 1,244,368.08 = 499,308 : x
  2. Step 2: Convert to fraction form
    901,716/1,244,368.08 = 499,308/x
  3. Step 3: Cross multiply
    901,716x = 1,244,368.08 × 499,308
  4. Step 4: Simplify right side
    901,716x = 621,322,937,288.64
  5. Step 5: Solve for x
    x = 621,322,937,288.64/901,716
  6. Step 6: Final answer
    x = 689,045.04

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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.