Home / 783,917.20-1,175,584.20-310,504.60

Finding the Fourth Proportional to 783,917.20, 1,175,584.20 and 310,504.60

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Solution

The fourth proportional to 783,917.20, 1,175,584.20 and 310,504.60 is: 465,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,917.20 : 1,175,584.20 = 310,504.60 : x
  2. Step 2: Convert to fraction form
    783,917.20/1,175,584.20 = 310,504.60/x
  3. Step 3: Cross multiply
    783,917.20x = 1,175,584.20 × 310,504.60
  4. Step 4: Simplify right side
    783,917.20x = 365,024,301,787.32
  5. Step 5: Solve for x
    x = 365,024,301,787.32/783,917.20
  6. Step 6: Final answer
    x = 465,641.40

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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.