Home / 806,325.76-1,210,235.97-407,246.79

Finding the Fourth Proportional to 806,325.76, 1,210,235.97 and 407,246.79

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Solution

The fourth proportional to 806,325.76, 1,210,235.97 and 407,246.79 is: 611,247.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,325.76 : 1,210,235.97 = 407,246.79 : x
  2. Step 2: Convert to fraction form
    806,325.76/1,210,235.97 = 407,246.79/x
  3. Step 3: Cross multiply
    806,325.76x = 1,210,235.97 × 407,246.79
  4. Step 4: Simplify right side
    806,325.76x = 492,864,713,925.04
  5. Step 5: Solve for x
    x = 492,864,713,925.04/806,325.76
  6. Step 6: Final answer
    x = 611,247.64

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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.