Home / 817,432.83-1,226,156.07-284,953.01

Finding the Fourth Proportional to 817,432.83, 1,226,156.07 and 284,953.01

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Solution

The fourth proportional to 817,432.83, 1,226,156.07 and 284,953.01 is: 427,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,432.83 : 1,226,156.07 = 284,953.01 : x
  2. Step 2: Convert to fraction form
    817,432.83/1,226,156.07 = 284,953.01/x
  3. Step 3: Cross multiply
    817,432.83x = 1,226,156.07 × 284,953.01
  4. Step 4: Simplify right side
    817,432.83x = 349,396,857,814.06
  5. Step 5: Solve for x
    x = 349,396,857,814.06/817,432.83
  6. Step 6: Final answer
    x = 427,431.89

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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.