Home / 762,250.69-1,051,953.85-422,718.94

Finding the Fourth Proportional to 762,250.69, 1,051,953.85 and 422,718.94

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Solution

The fourth proportional to 762,250.69, 1,051,953.85 and 422,718.94 is: 583,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,250.69 : 1,051,953.85 = 422,718.94 : x
  2. Step 2: Convert to fraction form
    762,250.69/1,051,953.85 = 422,718.94/x
  3. Step 3: Cross multiply
    762,250.69x = 1,051,953.85 × 422,718.94
  4. Step 4: Simplify right side
    762,250.69x = 444,680,816,400.92
  5. Step 5: Solve for x
    x = 444,680,816,400.92/762,250.69
  6. Step 6: Final answer
    x = 583,378.70

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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.