Home / 780,671.04-1,172,872.80-500,735.04

Finding the Fourth Proportional to 780,671.04, 1,172,872.80 and 500,735.04

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Solution

The fourth proportional to 780,671.04, 1,172,872.80 and 500,735.04 is: 752,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,671.04 : 1,172,872.80 = 500,735.04 : x
  2. Step 2: Convert to fraction form
    780,671.04/1,172,872.80 = 500,735.04/x
  3. Step 3: Cross multiply
    780,671.04x = 1,172,872.80 × 500,735.04
  4. Step 4: Simplify right side
    780,671.04x = 587,298,508,422.91
  5. Step 5: Solve for x
    x = 587,298,508,422.91/780,671.04
  6. Step 6: Final answer
    x = 752,299.60

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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.