Home / 456,246.40-684,369.60-123,822.40

Finding the Fourth Proportional to 456,246.40, 684,369.60 and 123,822.40

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Solution

The fourth proportional to 456,246.40, 684,369.60 and 123,822.40 is: 185,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,246.40 : 684,369.60 = 123,822.40 : x
  2. Step 2: Convert to fraction form
    456,246.40/684,369.60 = 123,822.40/x
  3. Step 3: Cross multiply
    456,246.40x = 684,369.60 × 123,822.40
  4. Step 4: Simplify right side
    456,246.40x = 84,740,286,359.04
  5. Step 5: Solve for x
    x = 84,740,286,359.04/456,246.40
  6. Step 6: Final answer
    x = 185,733.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.