Home / 817,148.67-1,225,729.16-284,668.85

Finding the Fourth Proportional to 817,148.67, 1,225,729.16 and 284,668.85

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Solution

The fourth proportional to 817,148.67, 1,225,729.16 and 284,668.85 is: 427,005.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,148.67 : 1,225,729.16 = 284,668.85 : x
  2. Step 2: Convert to fraction form
    817,148.67/1,225,729.16 = 284,668.85/x
  3. Step 3: Cross multiply
    817,148.67x = 1,225,729.16 × 284,668.85
  4. Step 4: Simplify right side
    817,148.67x = 348,926,902,836.68
  5. Step 5: Solve for x
    x = 348,926,902,836.68/817,148.67
  6. Step 6: Final answer
    x = 427,005.41

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1.5x scale

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.