Home / 842,460.30-1,162,676.58-498,406.84

Finding the Fourth Proportional to 842,460.30, 1,162,676.58 and 498,406.84

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Solution

The fourth proportional to 842,460.30, 1,162,676.58 and 498,406.84 is: 687,849.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,460.30 : 1,162,676.58 = 498,406.84 : x
  2. Step 2: Convert to fraction form
    842,460.30/1,162,676.58 = 498,406.84/x
  3. Step 3: Cross multiply
    842,460.30x = 1,162,676.58 × 498,406.84
  4. Step 4: Simplify right side
    842,460.30x = 579,485,960,179.81
  5. Step 5: Solve for x
    x = 579,485,960,179.81/842,460.30
  6. Step 6: Final answer
    x = 687,849.58

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Double scale
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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.