Home / 916,514.20-1,264,732.26-553,723.60

Finding the Fourth Proportional to 916,514.20, 1,264,732.26 and 553,723.60

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Solution

The fourth proportional to 916,514.20, 1,264,732.26 and 553,723.60 is: 764,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,514.20 : 1,264,732.26 = 553,723.60 : x
  2. Step 2: Convert to fraction form
    916,514.20/1,264,732.26 = 553,723.60/x
  3. Step 3: Cross multiply
    916,514.20x = 1,264,732.26 × 553,723.60
  4. Step 4: Simplify right side
    916,514.20x = 700,312,100,043.34
  5. Step 5: Solve for x
    x = 700,312,100,043.34/916,514.20
  6. Step 6: Final answer
    x = 764,103.93

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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.