Home / 999,177.40-1,498,984.80-493,980.40

Finding the Fourth Proportional to 999,177.40, 1,498,984.80 and 493,980.40

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Solution

The fourth proportional to 999,177.40, 1,498,984.80 and 493,980.40 is: 741,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,177.40 : 1,498,984.80 = 493,980.40 : x
  2. Step 2: Convert to fraction form
    999,177.40/1,498,984.80 = 493,980.40/x
  3. Step 3: Cross multiply
    999,177.40x = 1,498,984.80 × 493,980.40
  4. Step 4: Simplify right side
    999,177.40x = 740,469,111,097.92
  5. Step 5: Solve for x
    x = 740,469,111,097.92/999,177.40
  6. Step 6: Final answer
    x = 741,078.72

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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.