Home / 918,077.44-1,266,953.76-510,217.44

Finding the Fourth Proportional to 918,077.44, 1,266,953.76 and 510,217.44

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Solution

The fourth proportional to 918,077.44, 1,266,953.76 and 510,217.44 is: 704,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,077.44 : 1,266,953.76 = 510,217.44 : x
  2. Step 2: Convert to fraction form
    918,077.44/1,266,953.76 = 510,217.44/x
  3. Step 3: Cross multiply
    918,077.44x = 1,266,953.76 × 510,217.44
  4. Step 4: Simplify right side
    918,077.44x = 646,421,904,025.58
  5. Step 5: Solve for x
    x = 646,421,904,025.58/918,077.44
  6. Step 6: Final answer
    x = 704,103.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.