Home / 407,653.21-562,613.25-246,509.38

Finding the Fourth Proportional to 407,653.21, 562,613.25 and 246,509.38

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Solution

The fourth proportional to 407,653.21, 562,613.25 and 246,509.38 is: 340,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,653.21 : 562,613.25 = 246,509.38 : x
  2. Step 2: Convert to fraction form
    407,653.21/562,613.25 = 246,509.38/x
  3. Step 3: Cross multiply
    407,653.21x = 562,613.25 × 246,509.38
  4. Step 4: Simplify right side
    407,653.21x = 138,689,443,437.29
  5. Step 5: Solve for x
    x = 138,689,443,437.29/407,653.21
  6. Step 6: Final answer
    x = 340,214.28

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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.