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Finding the Fourth Proportional to 656,007.30, 983,670.75 and 300,715.38

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Solution

The fourth proportional to 656,007.30, 983,670.75 and 300,715.38 is: 450,917.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,007.30 : 983,670.75 = 300,715.38 : x
  2. Step 2: Convert to fraction form
    656,007.30/983,670.75 = 300,715.38/x
  3. Step 3: Cross multiply
    656,007.30x = 983,670.75 × 300,715.38
  4. Step 4: Simplify right side
    656,007.30x = 295,804,923,381.14
  5. Step 5: Solve for x
    x = 295,804,923,381.14/656,007.30
  6. Step 6: Final answer
    x = 450,917.12

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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.