Home / 1,077,628.12-1,616,442.18-478,448.44

Finding the Fourth Proportional to 1,077,628.12, 1,616,442.18 and 478,448.44

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Solution

The fourth proportional to 1,077,628.12, 1,616,442.18 and 478,448.44 is: 717,672.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,628.12 : 1,616,442.18 = 478,448.44 : x
  2. Step 2: Convert to fraction form
    1,077,628.12/1,616,442.18 = 478,448.44/x
  3. Step 3: Cross multiply
    1,077,628.12x = 1,616,442.18 × 478,448.44
  4. Step 4: Simplify right side
    1,077,628.12x = 773,384,239,371.20
  5. Step 5: Solve for x
    x = 773,384,239,371.20/1,077,628.12
  6. Step 6: Final answer
    x = 717,672.66

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Similar ratio
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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.