Home / 916,618.08-1,375,000.92-348,271.56

Finding the Fourth Proportional to 916,618.08, 1,375,000.92 and 348,271.56

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Solution

The fourth proportional to 916,618.08, 1,375,000.92 and 348,271.56 is: 522,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,618.08 : 1,375,000.92 = 348,271.56 : x
  2. Step 2: Convert to fraction form
    916,618.08/1,375,000.92 = 348,271.56/x
  3. Step 3: Cross multiply
    916,618.08x = 1,375,000.92 × 348,271.56
  4. Step 4: Simplify right side
    916,618.08x = 478,873,715,409.84
  5. Step 5: Solve for x
    x = 478,873,715,409.84/916,618.08
  6. Step 6: Final answer
    x = 522,435.38

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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.