Home / 916,788.79-1,375,464.73-437,628.03

Finding the Fourth Proportional to 916,788.79, 1,375,464.73 and 437,628.03

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Solution

The fourth proportional to 916,788.79, 1,375,464.73 and 437,628.03 is: 656,576.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,788.79 : 1,375,464.73 = 437,628.03 : x
  2. Step 2: Convert to fraction form
    916,788.79/1,375,464.73 = 437,628.03/x
  3. Step 3: Cross multiply
    916,788.79x = 1,375,464.73 × 437,628.03
  4. Step 4: Simplify right side
    916,788.79x = 601,941,920,124.38
  5. Step 5: Solve for x
    x = 601,941,920,124.38/916,788.79
  6. Step 6: Final answer
    x = 656,576.44

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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.