Home / 772,992.40-1,159,488.60-330,624.40

Finding the Fourth Proportional to 772,992.40, 1,159,488.60 and 330,624.40

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Solution

The fourth proportional to 772,992.40, 1,159,488.60 and 330,624.40 is: 495,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,992.40 : 1,159,488.60 = 330,624.40 : x
  2. Step 2: Convert to fraction form
    772,992.40/1,159,488.60 = 330,624.40/x
  3. Step 3: Cross multiply
    772,992.40x = 1,159,488.60 × 330,624.40
  4. Step 4: Simplify right side
    772,992.40x = 383,355,222,681.84
  5. Step 5: Solve for x
    x = 383,355,222,681.84/772,992.40
  6. Step 6: Final answer
    x = 495,936.60

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Similar ratio
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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.