Home / 962,102.12-1,442,919.90-400,830.44

Finding the Fourth Proportional to 962,102.12, 1,442,919.90 and 400,830.44

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Solution

The fourth proportional to 962,102.12, 1,442,919.90 and 400,830.44 is: 601,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,102.12 : 1,442,919.90 = 400,830.44 : x
  2. Step 2: Convert to fraction form
    962,102.12/1,442,919.90 = 400,830.44/x
  3. Step 3: Cross multiply
    962,102.12x = 1,442,919.90 × 400,830.44
  4. Step 4: Simplify right side
    962,102.12x = 578,366,218,401.76
  5. Step 5: Solve for x
    x = 578,366,218,401.76/962,102.12
  6. Step 6: Final answer
    x = 601,148.47

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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.