Home / 916,716.72-1,373,668.56-383,946.24

Finding the Fourth Proportional to 916,716.72, 1,373,668.56 and 383,946.24

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Solution

The fourth proportional to 916,716.72, 1,373,668.56 and 383,946.24 is: 575,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,716.72 : 1,373,668.56 = 383,946.24 : x
  2. Step 2: Convert to fraction form
    916,716.72/1,373,668.56 = 383,946.24/x
  3. Step 3: Cross multiply
    916,716.72x = 1,373,668.56 × 383,946.24
  4. Step 4: Simplify right side
    916,716.72x = 527,414,878,618.21
  5. Step 5: Solve for x
    x = 527,414,878,618.21/916,716.72
  6. Step 6: Final answer
    x = 575,330.27

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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.