Home / 757,612.30-1,137,730.65-403,318.30

Finding the Fourth Proportional to 757,612.30, 1,137,730.65 and 403,318.30

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Solution

The fourth proportional to 757,612.30, 1,137,730.65 and 403,318.30 is: 605,676.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,612.30 : 1,137,730.65 = 403,318.30 : x
  2. Step 2: Convert to fraction form
    757,612.30/1,137,730.65 = 403,318.30/x
  3. Step 3: Cross multiply
    757,612.30x = 1,137,730.65 × 403,318.30
  4. Step 4: Simplify right side
    757,612.30x = 458,867,591,615.90
  5. Step 5: Solve for x
    x = 458,867,591,615.90/757,612.30
  6. Step 6: Final answer
    x = 605,676.01

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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.