Home / 536,629.20-740,545.88-307,185.22

Finding the Fourth Proportional to 536,629.20, 740,545.88 and 307,185.22

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Solution

The fourth proportional to 536,629.20, 740,545.88 and 307,185.22 is: 423,914.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,629.20 : 740,545.88 = 307,185.22 : x
  2. Step 2: Convert to fraction form
    536,629.20/740,545.88 = 307,185.22/x
  3. Step 3: Cross multiply
    536,629.20x = 740,545.88 × 307,185.22
  4. Step 4: Simplify right side
    536,629.20x = 227,484,750,794.98
  5. Step 5: Solve for x
    x = 227,484,750,794.98/536,629.20
  6. Step 6: Final answer
    x = 423,914.22

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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.