Home / 439,478.06-606,476.40-248,498.24

Finding the Fourth Proportional to 439,478.06, 606,476.40 and 248,498.24

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Solution

The fourth proportional to 439,478.06, 606,476.40 and 248,498.24 is: 342,925.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,478.06 : 606,476.40 = 248,498.24 : x
  2. Step 2: Convert to fraction form
    439,478.06/606,476.40 = 248,498.24/x
  3. Step 3: Cross multiply
    439,478.06x = 606,476.40 × 248,498.24
  4. Step 4: Simplify right side
    439,478.06x = 150,708,318,001.54
  5. Step 5: Solve for x
    x = 150,708,318,001.54/439,478.06
  6. Step 6: Final answer
    x = 342,925.69

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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.