Home / 439,442.08-606,405.52-245,812.40

Finding the Fourth Proportional to 439,442.08, 606,405.52 and 245,812.40

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Solution

The fourth proportional to 439,442.08, 606,405.52 and 245,812.40 is: 339,207.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,442.08 : 606,405.52 = 245,812.40 : x
  2. Step 2: Convert to fraction form
    439,442.08/606,405.52 = 245,812.40/x
  3. Step 3: Cross multiply
    439,442.08x = 606,405.52 × 245,812.40
  4. Step 4: Simplify right side
    439,442.08x = 149,061,995,793.71
  5. Step 5: Solve for x
    x = 149,061,995,793.71/439,442.08
  6. Step 6: Final answer
    x = 339,207.38

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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.