Home / 445,669.92-614,925-264,289.68

Finding the Fourth Proportional to 445,669.92, 614,925 and 264,289.68

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Solution

The fourth proportional to 445,669.92, 614,925 and 264,289.68 is: 364,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,669.92 : 614,925 = 264,289.68 : x
  2. Step 2: Convert to fraction form
    445,669.92/614,925 = 264,289.68/x
  3. Step 3: Cross multiply
    445,669.92x = 614,925 × 264,289.68
  4. Step 4: Simplify right side
    445,669.92x = 162,518,331,474
  5. Step 5: Solve for x
    x = 162,518,331,474/445,669.92
  6. Step 6: Final answer
    x = 364,660.76

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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.