Home / 916,711.80-1,375,141.22-348,365.18

Finding the Fourth Proportional to 916,711.80, 1,375,141.22 and 348,365.18

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Solution

The fourth proportional to 916,711.80, 1,375,141.22 and 348,365.18 is: 522,575.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,711.80 : 1,375,141.22 = 348,365.18 : x
  2. Step 2: Convert to fraction form
    916,711.80/1,375,141.22 = 348,365.18/x
  3. Step 3: Cross multiply
    916,711.80x = 1,375,141.22 × 348,365.18
  4. Step 4: Simplify right side
    916,711.80x = 479,051,318,630.72
  5. Step 5: Solve for x
    x = 479,051,318,630.72/916,711.80
  6. Step 6: Final answer
    x = 522,575.71

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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.