Home / 762,338.52-1,052,000.46-422,838.36

Finding the Fourth Proportional to 762,338.52, 1,052,000.46 and 422,838.36

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Solution

The fourth proportional to 762,338.52, 1,052,000.46 and 422,838.36 is: 583,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,338.52 : 1,052,000.46 = 422,838.36 : x
  2. Step 2: Convert to fraction form
    762,338.52/1,052,000.46 = 422,838.36/x
  3. Step 3: Cross multiply
    762,338.52x = 1,052,000.46 × 422,838.36
  4. Step 4: Simplify right side
    762,338.52x = 444,826,149,225.65
  5. Step 5: Solve for x
    x = 444,826,149,225.65/762,338.52
  6. Step 6: Final answer
    x = 583,502.13

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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.