Home / 561,498.42-774,868.15-306,849.61

Finding the Fourth Proportional to 561,498.42, 774,868.15 and 306,849.61

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Solution

The fourth proportional to 561,498.42, 774,868.15 and 306,849.61 is: 423,452.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,498.42 : 774,868.15 = 306,849.61 : x
  2. Step 2: Convert to fraction form
    561,498.42/774,868.15 = 306,849.61/x
  3. Step 3: Cross multiply
    561,498.42x = 774,868.15 × 306,849.61
  4. Step 4: Simplify right side
    561,498.42x = 237,767,989,628.92
  5. Step 5: Solve for x
    x = 237,767,989,628.92/561,498.42
  6. Step 6: Final answer
    x = 423,452.64

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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.