Home / 605,631.20-835,508.39-360,478.49

Finding the Fourth Proportional to 605,631.20, 835,508.39 and 360,478.49

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Solution

The fourth proportional to 605,631.20, 835,508.39 and 360,478.49 is: 497,303.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,631.20 : 835,508.39 = 360,478.49 : x
  2. Step 2: Convert to fraction form
    605,631.20/835,508.39 = 360,478.49/x
  3. Step 3: Cross multiply
    605,631.20x = 835,508.39 × 360,478.49
  4. Step 4: Simplify right side
    605,631.20x = 301,182,796,829.60
  5. Step 5: Solve for x
    x = 301,182,796,829.60/605,631.20
  6. Step 6: Final answer
    x = 497,303.97

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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.