Home / 877,120.44-1,316,205.45-378,484.44

Finding the Fourth Proportional to 877,120.44, 1,316,205.45 and 378,484.44

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Solution

The fourth proportional to 877,120.44, 1,316,205.45 and 378,484.44 is: 567,953.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,120.44 : 1,316,205.45 = 378,484.44 : x
  2. Step 2: Convert to fraction form
    877,120.44/1,316,205.45 = 378,484.44/x
  3. Step 3: Cross multiply
    877,120.44x = 1,316,205.45 × 378,484.44
  4. Step 4: Simplify right side
    877,120.44x = 498,163,282,668.20
  5. Step 5: Solve for x
    x = 498,163,282,668.20/877,120.44
  6. Step 6: Final answer
    x = 567,953.11

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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.