Home / 961,293.96-1,442,807.64-512,388.72

Finding the Fourth Proportional to 961,293.96, 1,442,807.64 and 512,388.72

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Solution

The fourth proportional to 961,293.96, 1,442,807.64 and 512,388.72 is: 769,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,293.96 : 1,442,807.64 = 512,388.72 : x
  2. Step 2: Convert to fraction form
    961,293.96/1,442,807.64 = 512,388.72/x
  3. Step 3: Cross multiply
    961,293.96x = 1,442,807.64 × 512,388.72
  4. Step 4: Simplify right side
    961,293.96x = 739,278,359,865.82
  5. Step 5: Solve for x
    x = 739,278,359,865.82/961,293.96
  6. Step 6: Final answer
    x = 769,045.05

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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.