Home / 959,234.10-1,439,369.55-426,837.30

Finding the Fourth Proportional to 959,234.10, 1,439,369.55 and 426,837.30

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Solution

The fourth proportional to 959,234.10, 1,439,369.55 and 426,837.30 is: 640,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,234.10 : 1,439,369.55 = 426,837.30 : x
  2. Step 2: Convert to fraction form
    959,234.10/1,439,369.55 = 426,837.30/x
  3. Step 3: Cross multiply
    959,234.10x = 1,439,369.55 × 426,837.30
  4. Step 4: Simplify right side
    959,234.10x = 614,376,612,424.22
  5. Step 5: Solve for x
    x = 614,376,612,424.22/959,234.10
  6. Step 6: Final answer
    x = 640,486.63

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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.